Content-Length: 34003 | pFad | http://weather.uky.edu/public/annual17.txt
KENTUCKY MONTHLY AND ANNUAL CLIMATE SUMMARY FOR -- 2017 By: Tom Priddy and Matt Dixon -- UK Agricultural Weather Center * Based on Preliminary Data. Weekly graphs available within the UKAWC Kentucky Weather Information Web site. Sources: UKAWC, NCDC and Midwest Regional Climate Center === Kentucky Climate Summary For the Period December 2017 Below Normal Temperatures and Below Normal Precipitation: * Entering the month of December, precipitation was running much below normal. The state had gone two straight weeks with little to no rainfall. That trend continued into the first half of December as the state only saw one significant round of widespread showers. That occurred over the course of the 4th and 5th, bringing rainfall totals around a half to three quarters of an inch. Even that week, rainfall was below normal. The US Drought Monitor took notice with 55% of the state experiencing abnormally dry conditions (Southern Kentucky) as of the December 19th update. Saying that, the high percentage was short lived as the tide turned as low pressure lifted northeast through the region on the 22nd and 23rd. This system had a large amount of moisture to work with and led to most of Kentucky averaging over 1.5 inches. A large portion of Western and South Central Kentucky were even over 2.5 inches. After that system, the percentage of Kentucky experiencing Abnormally Dry conditions on the December 26th update was under 3%. Temperature-wise, the first month of the winter season was definitely a drastic difference from the abnormally warm one Kentucky experienced last year. Overall, temperatures ran a couple degrees below normal, but the bigger story was the return of Arctic air, especially the last week of 2017. Temperatures dipped into the single digits over a handful of the nights, along with the wind chill dipping below zero at times. This led to an extended period of livestock cold stress in the Emergency category. The cold air did result in many seeing some wintry weather, but any snow accumulations were on the light side. Temperatures for the period averaged 36 degrees across the state which was 2 degrees cooler than normal. High temperatures averaged from 45 in the West to 45 in the East. Departure from normal high temperatures ranged from 3 degrees cooler than normal in the West to 3 degrees cooler than normal in the East. Low temperatures averaged from 29 degrees in the West to 29 degrees in the East. Departure from normal low temperature ranged from 1 degree cooler than normal in the West to 1 degree warmer than normal in the East. The extreme high temperature for the period was 71 at BURKESVILLE 3W and the extreme low was 2 at ALEXANDRIA 5NW. Precipitation (liq. equ.) for the period totaled 2.85 inches statewide which was 1.6 inches below normal and 64% of normal. Precipitation totals by climate division, West 3.03 inches, Central 3.30 inches, Bluegrass 2.33 inches and East 2.76 inches, which was 1.85, 1.52, 1.54 and 1.47 inches below normal. By station, precipitation totals ranged from a low of 0.19 inches at MONTICELLO AWOS to a high of 4.26 inches at BOWLING GREEN 5S. * = Based on preliminary data Summarized and averaged data for the period 20171201 to 20171231(Last 31 Days) (Not for Legal purposes. Departure from Norms based on climate divisional Averages) AIR TEMPERATURE PRECIPITATION ExtremeTemp STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO -------------------------------------------------------------------------------- WEST(CD1) 45 -3 29 -1 37 -2 3.03 -1.85 62 70 6 CENTRAL(CD2) 45 -2 28 -1 37 -1 3.30 -1.52 68 71 7 BLUEGRASS(CD3) 42 -4 26 -2 34 -3 2.33 -1.54 60 69 2 EAST(CD4) 45 -3 29 1 37 -1 2.76 -1.47 65 71 3 -------------------------------------------------------------------------------- STATE 44 -3 28 -1 36 -2 2.85 -1.60 64 71 2 === Kentucky Climate Summary For the Period November 2017 Near Normal Temperatures and Below Precipitation: November started with a very active first half of the month as multiple frontal boundaries pushed north and south across the region. This led to multiple rounds of showers and at times, storms. While accumulations were not very high, the frequency of the events in addition to cloud cover kept soil conditions on the moist side and farmers out of the fields, slowing harvest progress. It was not until the last couple of weeks that Kentuckians finally saw a break. Most of this time was rain-free. In fact, between the 20th and 26th, only three stations in the UK Ag Weather Center’s 95-station database recorded rainfall and the maximum was three hundredths. Overall, the state only averaged 2.26 inches for the month, which was over 1.5 inches below normal. Temperatures for the period averaged 48 degrees across the state which was near normal. High temperatures averaged from 59 in the West to 58 in the East. Departure from normal high temperatures ranged from near normal in the West to 1 degree cooler than normal in the East. Low temperatures averaged from 40 degrees in the West to 38 degrees in the East. Departure from normal low temperature ranged from 2 degrees warmer than normal in the West to 4 degrees warmer than normal in the East. The extreme high temperature for the period was 81 at BOWLING GREEN APT and the extreme low was 17 at VANCEBURG 6W. Precipitation (liq. equ.) for the period totaled 2.23 inches statewide which was 1.67 inches below normal and 57% of normal. Precipitation totals by climate division, West 2.34 inches, Central 2.07 inches, Bluegrass 2.96 inches and East 1.53 inches, which was 2.18, 2.04, 0.45 and 2.05 inches below normal. By station, precipitation totals ranged from a low of 0.78 inches at WILLIAMSBURG AWOS to a high of 4.78 inches at LA GRANGE 6NW. Summarized and averaged data for the period 20171101 to 20171130(Last 30 Days) (Not for Legal purposes. Departure from Norms based on climate divisional Averages) AIR TEMPERATURE PRECIPITATION ExtremeTemp STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO -------------------------------------------------------------------------------- WEST(CD1) 59 0 40 2 49 0 2.34 -2.18 52 81 20 CENTRAL(CD2) 58 0 39 2 48 0 2.07 -2.04 50 81 18 BLUEGRASS(CD3) 55 -2 38 1 47 0 2.96 -0.45 87 79 18 EAST(CD4) 58 -1 38 4 48 1 1.53 -2.05 43 80 17 -------------------------------------------------------------------------------- STATE 58 -0 39 2 48 0 2.23 -1.67 57 81 17 === Kentucky Climate Summary For the Period October 2017 Above Normal Temperatures and Rainfall: Heading into October, most of the state had gone two weeks without seeing any rainfall. The US Drought Monitor took notice and introduced ‘Abnormally Dry Conditions’ to portions of Western Kentucky. Luckily, the state started October with yet another remnant tropical system moving through the area. This time, it was Nate. The remnant hurricane interacted with a cold front on the 7th and 8th and produced a tremendous amount of rainfall. After it was all said and done, the state averaged over two inches. The active pattern then continued for a second straight week and after a temporary dry spell, the state averaged another two inches the last week of October. Overall, it was the 9th wettest October on record with a state average of 5.10 inches in what is normally the driest month of the year for Kentucky. It also became the 8th straight month that Kentucky precipitation had averaged above normal. Temperatures remained warm for most of the month, but it was only a matter of time before that first frost/freeze. That came over the last few days of October as lows dipped into the low to middle 30s, some in the 20s. Temperatures for the period averaged 60 degrees across the state which was 2 degrees warmer than normal. High temperatures averaged from 71 in the West to 71 in the East. Departure from normal high temperatures ranged from 1 degree cooler than normal in the West to 1 degree warmer than normal in the East. Low temperatures averaged from 50 degrees in the West to 48 degrees in the East. Departure from normal low temperature ranged from 3 degrees warmer than normal in the West to 5 degrees warmer than normal in the East. The extreme high temperature for the period was 90 at CAPE GIRARDEAU ASOS and the extreme low was 24 at LIBERTY 3SW. Precipitation (liq. equ.) for the period totaled 5.17 inches statewide which was 1.87 inches above normal and 157% of normal. Precipitation totals by climate division, West 5.38 inches, Central 5.36 inches, Bluegrass 5.00 inches and East 4.93 inches, which was 1.87, 1.96, 1.91 and 1.72 inches above normal. By station, precipitation totals ranged from a low of 1.43 inches at POPLAR BLUFF ASOS to a high of 12.14 inches at GREENVILLE 6N. Summarized and averaged data for the period 20171001 to 20171031(Last 31 Days) (Not for Legal purposes. Departure from Norms based on climate divisional Averages) AIR TEMPERATURE PRECIPITATION ExtremeTemp STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO -------------------------------------------------------------------------------- WEST(CD1) 71 -1 50 3 61 2 5.38 1.87 153 90 26 CENTRAL(CD2) 71 1 49 3 60 2 5.36 1.96 158 86 24 BLUEGRASS(CD3) 69 0 48 2 59 2 5.00 1.91 162 86 27 EAST(CD4) 71 1 48 5 60 3 4.93 1.72 154 88 24 -------------------------------------------------------------------------------- STATE 70 -0 49 4 60 2 5.17 1.87 157 100 24 === Kentucky Climate Summary For the Period September 2017 Below Normal Temperatures and Above Normal Rainfall: Kentucky saw two tropical systems pass through the area over the first half of September. The remnants of Hurricane Harvey arrived over the first couple days of the month, brining widespread moderate to locally heavy showers. Rainfall was most prevalent across Central Kentucky where several locations recorded over five inches. The high amount of rainfall in a short period of time led to numerous flood warnings. The remnants of Hurricane Irma then followed on the 12th and 13th, bringing on and off light showers. Unlike the extremely high rainfall totals seen with Harvey, the state only averaged three quarters of an inch with Irma. The rain and cloud cover associated with both systems led to a cool first half of the month. In fact, after the second week of September, the Bluegrass State had gone four straight weeks of temperatures averaging below normal. The rest of the month turned mostly dry. In fact, most of the state did not receive any rainfall over the last week of September. Still, Harvey brought more than enough rainfall to push Kentucky to a seventh straight month of above normal rainfall. Along with the dryness, heat returned over the latter half of September. Even though the 22nd signaled the official start of fall, the third week of September had highs routinely rise into the middle 80s to low 90s. Temperatures for the period averaged 68 degrees across the state which was 1 degree cooler than normal. High temperatures averaged from 82 in the West to 77 in the East. Departure from normal high temperatures ranged from near normal in the West to 3 degrees cooler than normal in the East. Low temperatures averaged from 59 degrees in the West to 57 degrees in the East. Departure from normal low temperature ranged from near normal in the West to 1 degree warmer than normal in the East. The extreme high temperature for the period was 95 at CAPE GIRARDEAU ASOS and the extreme low was 42 at the same station. Precipitation (liq. equ.) for the period totaled 4.26 inches statewide which was 0.74 inches above normal and 121% of normal. Precipitation totals by climate division, West 3.99 inches, Central 6.74 inches, Bluegrass 3.87 inches and East 2.42 inches, which was 0.50, 2.87, 0.65 and -1.06 inches respectively from normal. By station, precipitation totals ranged from a low of 0.06 inches at POPLAR BLUFF ASOS to a high of 10.30 inches at GLASGOW 11W. Summarized and averaged data for the period 20170901 to 20170930(Last 30 Days) (Not for Legal purposes. Departure from Norms based on climate divisional Averages) AIR TEMPERATURE PRECIPITATION ExtremeTemp STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO -------------------------------------------------------------------------------- WEST(CD1) 82 0 59 0 71 0 3.99 0.50 114 95 42 CENTRAL(CD2) 79 -2 58 0 68 -1 6.74 2.87 174 93 43 BLUEGRASS(CD3) 77 -3 57 0 67 -1 3.87 0.65 120 91 42 EAST(CD4) 77 -3 57 1 67 -1 2.42 -1.06 70 104 44 -------------------------------------------------------------------------------- STATE 79 -2 58 0 68 -1 4.26 0.74 121 104 42 === Kentucky Climate Summary For the Period August 2017 Below Normal Temperature and Above Normal Rainfall: While rainfall was above normal for the Bluegrass state for the month of August 2017, drier than normal conditions in the western and some central sections of the state had some crops, especially corn looking less than optimum. In the eastern part of the state, rainfall was much above normal. By the end of the month, the remnants of Hurricane Harvey had started to dump tremendous amounts of rainfall on much of the state, especially west and central. (Much of that rainfall will be reported on the first day of next months report.) From the NWS: August will be the first month since May 2016 that the average temperature was more than a degree below normal for the month at Louisville/Lexington. Each month since then either has been within a degree of normal or above it. Bowling Green's streak goes a little further back, to January 2016. Temperatures for the period averaged 73 degrees across the state which was 2 degrees cooler than normal. High temperatures averaged from 84 in the West to 82 in the East. Departure from normal high temperatures ranged from 4 degrees cooler than normal in the West to 4 degrees cooler than normal in the East. Low temperatures averaged from 65 degrees in the West to 63 degrees in the East. Departure from normal low temperature ranged from 1 degrees cooler than normal in the West to 1 degrees warmer than normal in the East. The extreme high temperature for the period was 96 at LOUISVILLE APT and the extreme low was 48 at BURKESVILLE 3W. Precipitation (liq. equ.) for the period totaled 4.28 inches statewide which was 0.49 inches above normal and 113% of normal. Precipitation totals by climate division, West 3.21 inches, Central 3.97 inches, Bluegrass 3.88 inches and East 6.06 inches, which was -0.31, 0.20, 0.11 and 1.96 inches respectively from normal. By station, precipitation totals ranged from a low of 1.01 inches at CALHOUN 5NW to a high of 9.42 inches at SOMERSET. Summarized and averaged data for the period 20170801 to 20170831(Last 31 Days) (Not for Legal purposes. Departure from Norms based on climate divisional Averages) AIR TEMPERATURE PRECIPITATION ExtremeTemp STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO -------------------------------------------------------------------------------- WEST(CD1) 84 -4 65 -1 75 -2 3.21 -0.31 91 95 50 CENTRAL(CD2) 83 -4 64 -1 74 -2 3.97 0.20 105 96 48 BLUEGRASS(CD3) 82 -3 63 -1 72 -3 3.88 0.11 103 92 49 EAST(CD4) 82 -4 63 1 72 -2 6.06 1.96 148 92 50 -------------------------------------------------------------------------------- STATE 83 -4 64 -0 73 -2 4.28 0.49 113 96 48 === Kentucky Climate Summary For the Period July 2017 Overall, Kentucky saw near normal rainfall and temperatures for the month of July, but that only tells half of the story. After an extremely wet first week of the month, when the state averaged nearly two inches, conditions became fairly dry across the state until the end of July. Showers and storms were isolated to scattered in nature for much of the area, keeping most dry. In fact, the second week of the month was one of the driest weeks of the growing season thus far. Any locations that were lucky enough to get some rainfall did see torrential rains as the state was situated within a very moist air mass. It felt it as though it was very warm throughout the month. We did have temperatures peak in the mid to upper 90s for a couple days in the middle of July, but most of the time, the state sat in the upper 80s to low 90s. This is actually right around normal. What made the difference was how humid it was outdoors. Dew points increased into the 70s, pushing heat indices into the triple digits at times, leading to oppressive heat. In addition to not much recovery at night, livestock stress lifted into the danger to emergency category. Luckily, the passage of a strong cold front at the end of the month brought a return of much welcomed below normal temperatures and noticeably less humid conditions. Above Normal Temperatures and Rainfall: Temp Norm Dep Prcp Norm Dep %Norm ------------------------------------------------------------------------------- WEST KY01 79.7 78.3 1.4 3.00 4.09 -1.09 73 CENTRAL KY02 77.3 76.6 0.7 4.20 4.45 -0.25 94 BLUEGRASS KY03 75.9 75.5 0.4 5.18 4.45 0.73 116 EAST KY04 75.0 74.8 0.2 5.59 4.67 0.92 120 ------------------------------------------------------------------------------- Statewide KY 76.9 76.2 0.7 4.56 4.43 0.13 103 === Kentucky Climate Summary For the Period June 2017 Below Normal Temperatures and Above Normal Rainfall: Temperatures for the period averaged 72 degrees across the state which was near normal. High temperatures averaged from 84 in the West to 81 in the East. Departure from normal high temperatures ranged from 2 degrees cooler than normal in the West to 2 degrees cooler than normal in the East. Low temperatures averaged from 64 degrees in the West to 60 degrees in the East. Departure from normal low temperature ranged from 1 degree warmer than normal in the West to 1 degree warmer than normal in the East. The extreme high temperature for the period was 94 at CAPE GIRARDEAU ASOS and the extreme low was 46 at PAINTSVILLE 4W. Precipitation (liq. equ.) for the period totaled 4.90 inches statewide which was 0.48 inches above normal and 111% of normal. Precipitation totals by climate division, West 4.73 inches, Central 5.10 inches, Bluegrass 5.12 inches and East 4.65 inches, which was 0.42, 0.67, 0.69 and 0.15 inches above normal. By station, precipitation totals ranged from a low of 1.02 inches at HENDERSON 5E to a high of 8.12 inches at GREENVILLE 6N. Temp Norm Dep Prcp Norm Dep %Norm ------------------------------------------------------------------------------- WEST KY01 74.5 74.7 -0.2 4.87 4.06 0.81 120 CENTRAL KY02 72.3 73.1 -0.8 4.77 4.21 0.56 113 BLUEGRASS KY03 70.9 71.8 -0.9 5.04 4.30 0.74 117 EAST KY04 69.8 71.2 -1.4 4.20 4.40 -0.20 96 ------------------------------------------------------------------------------- Statewide KY 71.7 72.6 -0.9 4.67 4.25 0.42 110 === Kentucky Climate Summary For the Period May 2017 Above Normal Temperatures and Rainfall: May 2017 marked the third straight month that Kentucky has seen above normal precipitation. Statewide rainfall averaged over an inch for each week throughout the month. In fact, going back into April, the state had gone six straight weeks averaging over an inch. Overall, it was a very active May, highlighted by the first week of the month. A slow moving low-pressure system led to a statewide average of 1.70 inches. Following the disturbance, temperatures plummeted that weekend. On the mornings of the 7th and 8th, much of Central/Eastern Kentucky and the Bluegrass saw low temperatures dip into the 30s. Lows are normally in the low to middle 50s for this time of year. The cooler temperatures were short-lived and by the third week of May, it felt more like summer with the return of heat and humidity. This led to yet another month of above normal temperatures. Looking back at the past year, temperatures in Kentucky averaged above normal each and every month. Temp Norm Dep Prcp Norm Dep %Norm ------------------------------------------------------------------------------- WEST KY01 67.1 66.4 0.7 5.12 5.44 -0.32 94 CENTRAL KY02 65.7 64.8 0.9 6.18 5.55 0.63 111 BLUEGRASS KY03 63.8 63.4 0.4 6.18 5.24 0.94 118 EAST KY04 63.7 63.1 0.6 6.34 5.02 1.32 126 ------------------------------------------------------------------------------- Statewide KY 65.0 64.3 0.7 5.97 5.29 0.68 113 === Kentucky Climate Summary For the Period April 2017 Well Above Normal Temperatures and Above Normal Precipitation: An active pattern slowed planting progress through the month of April. This was especially true over the latter half of the month. In Kentucky, the wettest week of 2017 occurred between the 17th and 23rd as the state averaged 2.10 inches, which was over an inch above normal. At least some portion of the state received rainfall each day as multiple frontal boundaries and disturbances passed through the area. This led to some minor river flooding across Eastern Kentucky. The wet trend continued into the last week of April as portions of Kentucky along the Ohio River, running from Western Kentucky and into the Bluegrass, saw another round of significant rainfall. Western Kentucky averaged 2 inches for a second straight week with the two westernmost tiers of counties seeing 3 to 4+ inches. Overall, the state only saw slightly above normal rainfall for the month. Other than a dry February, Kentucky has seen above normal rainfall four of the past five months. Temperatures remained warm through much of April. Each week saw highs peak in the 80s at some point. Even saw a handful of locations hit the 90s over the last week of the month. Overall, it was the second warmest April on record for the Bluegrass State. The state has now went 11 straight months with temperatures averaging above normal. Temp Norm Dep Prcp Norm Dep %Norm ------------------------------------------------------------------------------ WEST KY01 62.6 57.5 5.1 4.70 4.53 0.17 104 CENTRAL KY02 62.2 56.2 6.0 4.29 4.22 0.07 102 BLUEGRASS KY03 60.9 54.6 6.3 3.65 3.84 -0.19 95 EAST KY04 60.8 55.0 5.8 5.04 3.86 1.18 131 ------------------------------------------------------------------------------ Statewide KY 61.6 55.8 5.8 4.49 4.10 0.39 109 === Kentucky Climate Summary For the Period March 2017 Above Normal Temperatures and Precipitation: March finished near normal for both precipitation and temperatures in Kentucky. The month roared in like a lion with strong to severe storms pushing across the area ahead of a cold front. Damaging winds, hail, and even tornadoes was seen on the morning of the first. The National Weather Service in Louisville mentioned it was the largest tornado outbreak across the area in 5 years. After a dry February, much of the area received over an inch of rainfall with this system. More severe weather followed towards the end of the month. Between the events was a period of winter-like temperatures. Leading into the cold snap, the Bluegrass State had experienced nine straight weeks of above normal temperatures. This led to winter wheat, plasticulture strawberries, peaches, and other fruit trees all in advanced growth stages for this time of the year. Because of this, Freeze Warnings were issued a little earlier than normal as lows dipped well below freezing multiple times. The most extreme cold came on the mornings of the 15th and 16th as lows dipped into the middle teens to low 20s. John Strang, UK Extension Horticulturist, goes into more detail on the extent of damage to peach buds and flowers in the latest edition of Kentucky Fruit Facts. Winter wheat impacts, injury identification, and considerations moving forward can be found in the Grain Crops Update. The image below shows low temperatures across the state over those two nights.
Summarized and averaged data for the period 20170301 to 20170331
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)
Temp Norm Dep Prcp Norm Dep %Norm
----------------------------------------------------------------------------
WEST KY01 50.2 47.9 2.3 4.74 4.32 0.42 110
CENTRAL KY02 48.9 46.7 2.2 4.23 4.40 -0.17 96
BLUEGRASS KY03 46.2 44.6 1.6 4.98 4.14 0.84 120
EAST KY04 46.5 45.7 0.8 4.56 4.07 0.49 112
----------------------------------------------------------------------------
Statewide KY 47.9 46.2 1.7 4.62 4.22 0.40 109
===
Kentucky Climate Summary
For the Period February 2017
Well Above Normal Temperatures and Below Normal Rainfall: *
Winter? It felt more like spring throughout much of February. Well above normal
temperatures led Kentucky to the warmest February on a 123-year record. The state
averaged 46.1 degrees, which was over 8 degrees above normal for the month. The
unseasonably warm conditions was carried by numerous days in the 60s, but even the
70s were seen occasionally. Several locations pushed into the lower 80s on the 24th.
According to the National Weather Service in Louisville, this was the first time the
city has ever broken 80 in February. Extreme cold was nearly nonexistent. Through
the end of the month, the state had gone 8 straight weeks of above normal
temperatures. While it was warm, February saw well below normal rainfall. The state
only averaged 2 inches for the month.
Temperatures for the period averaged 48 degrees across the state which was 10 degrees
warmer than normal and 8 degrees warmer than the previous period. High temperatures
averaged from 58 in the West to 58 in the East. Departure from normal high
temperatures ranged from 8 degrees warmer than normal in the West to 9 degrees
warmer than normal in the East. Low temperatures averaged from 39 degrees in the
West to 37 degrees in the East. Departure from normal low temperature ranged from 10
degrees warmer than normal in the West to 11 degrees warmer than normal in the
East. The extreme high temperature for the period was 82 degrees at HARTFORD 3E and
the extreme low was 7 degrees at CYNTHIANA 8N.
Precipitation (liq. equ.) for the period totaled 2.97 inches statewide which was 0.97
inches below normal and 75% of normal. Precipitation totals by climate division, West
2.50 inches, Central 3.04 inches, Bluegrass 3.64 inches and East 2.70 inches, which
was -1.88, -1.22, 0.23 and -1.01 inches respectively from normal. By station,
precipitation totals ranged from a low of 1.28 inches at CAPE GIRARDEAU ASOS to a
high of 5.21 inches at ALEXANDRIA 5NW.
* = Based on preliminary data
Summarized and averaged data for the period 20170201 to 20170302(Last 30 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)
AIR TEMPERATURE PRECIPITATION ExtremeTemp
STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO
--------------------------------------------------------------------------------
WEST(CD1) 58 8 39 10 49 10 2.50 -1.88 57 82 10
CENTRAL(CD2) 58 9 39 11 48 10 3.04 -1.22 71 81 8
BLUEGRASS(CD3) 56 9 37 11 46 9 3.64 0.23 107 80 7
EAST(CD4) 58 9 37 11 48 10 2.70 -1.01 73 81 7
--------------------------------------------------------------------------------
STATE 58 9 38 11 48 10 2.97 -0.97 75 82 7
===
Kentucky Climate Summary
For the Period January 2017
Well Above Normal Temperatures and Near Normal Rainfall: *
The new year started with a blast of Arctic air from the north. Following a winter
storm with snow accumulations of 1 to 3 inches across the state (locally 4+),
temperatures dropped into the single digits and even below zero over the first
weekend of the month. This pushed livestock cold stress into the emergency category
for an extended period. With that said, it was the last time we saw
"winter" for the rest of the month. Temperatures went on the uphill climb,
rising well above normal. Each week saw temperatures climb into the 60s and 70s at
some point. Between the 16th and 22nd, average temperatures were 19 degrees above
normal. Normal high temperatures for that time of year are in the low to middle 40s.
Official data shows that January 2017 was the 10th warmest on record with data going
back 123 years. Accompanying the warm temperatures was an active pattern that set up
across the state, resulting in many rounds of showers through the end January. This
carried over from an active December, following 'Extreme' drought
conditions in November. January marked the first time since early September with no
drought or abnormally dry conditions.
Temperatures for the period averaged 42 degrees across the state which was 9 degrees
warmer than normal. High temperatures averaged from 49 in the West to 49 in the
East. Departure from normal high temperatures ranged from 6 degrees warmer than
normal in the West to 5 degrees warmer than normal in the East. Low temperatures
averaged from 36 degrees in the West to 36 degrees in the East. Departure from
normal low temperature ranged from 11 degrees warmer than normal in the West to 13
degrees warmer than normal in the East. The extreme high temperature for the period
was 73 at POPLAR BLUFF ASOS and the extreme low was -3 at CAMPBELLSVILLE 7W.
Precipitation (liq. equ.) for the period totaled 4.05 inches statewide which was 0.32
inches above normal and 109% of normal. Precipitation totals by climate division,
West 3.42 inches, Central 4.42 inches, Bluegrass 4.09 inches and East 4.28 inches,
which was -0.51, 0.43, 0.87 and 0.49 inches respectively from normal. By station,
precipitation totals ranged from a low of 1.44 inches at CARBONDALE ASOS to a high of
8.28 inches at VANCEBURG 6W.
* = Based on preliminary data
Summarized and averaged data for the period 20170101 to 20170131(Last 31 Days)
(Not for Legal purposes. Departure from Norms based on climate divisional Averages)
AIR TEMPERATURE PRECIPITATION ExtremeTemp
STATION MAX DEV MIN DEV AVR DEV TOTAL DEV %NORM HI LO
--------------------------------------------------------------------------------
WEST(CD1) 49 6 36 11 42 8 3.42 -0.51 87 73 -2
CENTRAL(CD2) 49 7 36 11 43 10 4.42 0.43 111 72 -3
BLUEGRASS(CD3) 46 5 34 11 40 8 4.09 0.87 127 70 -2
EAST(CD4) 49 5 36 13 43 10 4.28 0.49 113 70 -1
--------------------------------------------------------------------------------
STATE 48 6 36 12 42 9 4.05 0.32 109 73 -3
===
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