KENTUCKY MONTHLY AND ANNUAL CLIMATE SUMMARY FOR -- 2009 By: Tom Priddy--UK Agricultural Weather Center * Based on Preliminary Data. Graphs of Kentucky Monthly Temperature and Rainfall available at: http://wwwagwx.ca.uky.edu/climgraphs/ and weekly graphs available within the UKAWC Kentucky Weather Information Web site. Sources: UKAWC, NCDC and Midwest Regional Climate Center --- Kentucky Climate Summary For December 2009 Just Below Normal Temperature and Below Normal Rainfall After the extremes of a record wet October and a record dry November, December calmed down a bit weather wise. The month of December started off wet in the first two weeks, but dried up over the remaining weeks. This produced a drier than normal month for the state as a whole. However, due to several storm tracks coming off of the gulf and traveling up the east coast, our southeastern parts of the state received more than normal rainfall. Temperature started the month below normal then warmed in the next two weeks only to fall below normal in the last few days. Overall this produced a month just below normal for temperature, but overall pretty average. Temperatures for the period averaged 36 degrees across the state which was 1 degree below normal. High temperatures averaged from 40 in the West to 41 in the East. Departure from normal high temperatures ranged from 5 degrees below normal in the West to 3 degrees below normal in the East. Low temperatures averaged from 28 degrees in the West to 27 degrees in the East. Departure from normal low temperature ranged from 1 degree below normal in the West to 4 degrees above normal in the East. Precipitation (liq. equ.) for the period totaled 4.01 inches statewide which was 0.37 inches below normal. Precipitation totals by climate division, West 3.48 inches, Central 3.63 inches, Bluegrass 3.70 inches and East 4.89 inches, which was -0.33, -0.32, +0.1, and +0.6 inches respectively from normal. By station, totals ranged from a low of 2.73 inches at Princeton to a high of 5.95 inches at Jackson. --- Kentucky Climate Summary For November 2009 Above Normal Temperature and Much Below Normal Rainfall Following a record wet October…the month of November pulled a complete one- hundred and eighty degrees. Precipitation averaged for the state was the third driest on record…and was the driest on record in western portions of the state like Paducah. In fact…if rain did not come in on the last day of the month it would have likely been the driest November on record statewide. November was also consistent in its pattern with every week having below normal rainfall and above normal temperature. The consistently mild conditions over the state caused November to be tied for 18th for warmest on record state wide…compared to last month being the 12th coolest on record. Temperatures for the period averaged 48.9 degrees across the state which was 2.5 degrees above normal. High temperatures averaged from 62 in the West to 60 in the East. Departure from normal high temperatures ranged from 2 degrees above normal in the West to 4 degrees above normal in the East. Low temperatures averaged from 41 degrees in the West to 38 degrees in the East. Departure from normal low temperature ranged from 3 degrees above normal in the West to 4 degrees above normal in the East. Rainfall for the period totaled 1.11 inches statewide which was 2.98 inches below normal. Rainfall totals by climate division, West 1.28 inches, Central 0.90 inches, Bluegrass 1.02 inches and East 1.20 inches, which was 3.24, 3.37, 2.58 and 2.69 inches respectively below normal. By station, rainfall totals ranged from a low of 0.56 inches at Paducah to a high of 1.50 inches at Princeton. --- Kentucky Climate Summary For October 2009 Below Normal Temperature and Much Above Normal Rainfall: Just like September…October 2009 will go down as one of the wettest on record...the 3rd wettest on record. Over the past 7 months...6 have been above normal in rainfall…and only one week out of this month was below normal in rainfall. For Paducah this was the wettest October on record and was in the top ten for the wettest for cities all over the Commonwealth. Despite the last week in October warming up…it was not enough to keep the month from being cooler than average...the 12th coolest on record. In the west this was the 6th coldest October on record. This is the opposite of September…which was above normal in temperature state wide. Severe weather was scarce in October with only two days of severe weather…producing 5 tornado reports. Temperatures for the period averaged 53.8 degrees across the state which was 2.8 degrees below normal. High temperatures averaged from 62 in the West to 63 in the East. Departure from normal high temperatures ranged from 8 degrees below normal in the West to 5 degrees below normal in the East. Low temperatures averaged from 46 degrees in the West to 45 degrees in the East. Departure from normal low temperature ranged from 1 degree below normal in the West to near normal in the East. Rainfall for the period totaled 6.38 inches statewide which was 3.25 inches above normal. Rainfall totals by climate division, West 9.08 inches, Central 7.86 inches, Bluegrass 5.70 inches and East 3.70 inches, which was 5.91, 4.66, 2.77 and 0.77 inches respectively above normal. By station, precipitation totals ranged from a low of 3.55 inches at Jackson to a high of 11.13 inches at Hardinsburg. --- Kentucky Climate Summary For the Period: September 2009 Above Normal Temperature and Much Above Normal Rainfall: September 2009 will go into the record books as a very wet month with cool conditions starting out, then warming slightly from mid month to the end of the month. In fact, it was the 10th wettest September in the past 115 years. Little severe weather occurred, however, there were several storms that dumped very heavy rainfall across the Bluegrass state. By city, this was the 8th wettest September on record at Lexington and Frankfort, and the 10th wettest at Louisville. On the 20th Louisville set a new record for rainfall on that date of 3.95", which was just 0.35" away from the calendar day record for the entire month, and was the 3rd wettest day Louisville has ever seen in September. Temperatures for the period averaged 69 degrees across the state which was 1 degree above normal. High temperatures averaged from 80 in the West to 77 in the East. Departure from normal high temperatures ranged from 1 degree below normal in the West to 1 degree below normal in the East. Low temperatures averaged from 62 degrees in the West to 60 degrees in the East. Departure from normal low temperature ranged from 4 degrees above normal in the West to 4 degrees above normal in the East. Rainfall for the period totaled 5.55 inches statewide which was 2.07 inches above normal. Rainfall totals by climate division, West 5.11 inches, Central 5.58 inches, Bluegrass 6.15 inches and East 5.45 inches, which was 1.77, 1.64, 2.90 and 1.99 inches respectively above normal. By station, rainfall totals ranged from a low of 1.67 inches at Nolin Lake to a high of 8.57 inches at Nashville. --- Kentucky Climate Summary For the Period: August 2009 Below Normal Temperatures and Below Normal Rainfall: August was a cool month, like much of the summer has been but also drier for most of the state than previous months this summer. August was the first month in the past 5 months with below normal rainfall for the Bluegrass state. The exception to this rule was the historic flooding in and surrounding Louisville on the morning of August 4th when storms stalled and redevloped over the area providing nearly 7 inches in a very short time period. Otherwise, fairly benign weather for the month. In fact, not even much hurricane activity in the tropical Atlantic. It was the 24th coolest August and the 56th driest August in the past 115 years. Click here for more concerning the flooding. Temperatures for the period averaged 74 degrees across the state which was 1 degree below normal. High temperatures averaged from 85 in the West to 82 in the East. Departure from normal high temperatures ranged from 3 degrees below normal in the West to 2 degrees below normal in the East. Low temperatures averaged from 65 degrees in the West to 64 degrees in the East. Departure from normal low temperature ranged from near normal in the West to 1 degree above normal in the East. Rainfall for the period totaled 3.31 inches statewide which was 0.27 inches below normal. Rainfall totals by climate division, West 3.29 inches, Central 1.78 inches, Bluegrass 3.76 inches and East 4.19 inches, which was +0.11, -1.74, +0.04 and +0.29 inches respectively from normal. By station, rainfall totals ranged from a low of 0.39 inches at Glasgow to a high of 5.88 inches at Louisville. --- Kentucky Climate Summary For the Period: July 2009 Below Normal Temperatures and Above Normal Rainfall: ...A Very Unusual July for the Bluegrass State... July 2009 will go into the record books as the 2nd coolest and 8th wettest July in the past 115 years for the Bluegrass State. Most locations did not record any days with temperatures equal or exceeding 90 degrees which is very rare for the Commonwealth. Paducah was an exception with 2 days in the 90's (on the 9th and 15th). This was the first July where Louisville didn't record any days in the 90s during July since 1873. Of the 5 weekly summaries written for July, 3 out of 5 weeks recorded above normal rainfall with two of those weeks receiving heavy rainfall. This was the 4th month straight with above normal rainfall. Rainfall totals of 6 to 8 inches were common with localized totals of over 10 inches. Below normal temperatures were reported all 5 weeks with most locations breaking record cool high temperatures on multiple days. Bowling Green reported this July as the fourth coolest on record; Paducah, Lexington and Louisville as the second coolest July on record; and Frankfort as the coolest July on record. This was the 1st month with below normal temperatures in the past 6 months. Temperatures for the period averaged 72 degrees across the state which was 4 degrees below normal. High temperatures averaged from 83 in the West to 80 in the East. Departure from normal high temperatures ranged from 7 degrees below normal in the West to 6 degrees below 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 degree below normal in the West to 2 degrees below normal in the East. Precipitation (liq. equ.) for the period totaled 6.57 inches statewide which was 2.17 inches above normal. Precipitation totals by climate division, West 7.54 inches, Central 6.78 inches, Bluegrass 5.92 inches and East 6.09 inches, which was 3.43, 2.26, 1.40 and 1.64 inches respectively above normal. By station, precipitation totals ranged from a low of 2.11 inches at Cape Girardeau to a high of 9.14 inches at Paducah. --- Kentucky Climate Summary For the Period June 2009 Above normal temperatures and rainfall... The wet pattern that has been seen this growing season continued for the 3rd straight month during June. The lengthy wet periods caused concern with farm management decisions, field operations, flooding and disease problems. Temperatures were slightly above normal throughout the Commonwealth during the final weeks of the Spring season. Temperatures for the period averaged 74 degrees across the state which was 1.5 degrees above normal. High temperatures averaged from 87 in the West to 82 in the East. Departure from normal high temperatures ranged from 0 degrees from normal in the West to 1 degree below normal in the East. Low temperatures averaged from 66 degrees in the West to 62 degrees in the East. Departure from normal low temperature ranged from 3 degrees above normal in the West to 0 degrees from normal in the East. Rainfall for the period totaled 5.77 inches statewide which was 1.51 inches above normal. Rainfall totals by climate division, West 3.22 inches, Central 7.56 inches, Bluegrass 5.69 inches and East 6.49 inches, which was respectively 0.77 inches below normal, 3.20 inches above normal 1.34 inches above normal and 2.14 inches above normal. By station, precipitation totals ranged from a low of 1.50 inches at Mayfield to a high of 9.24 inches at Louisville. --- Kentucky Climate Summary For the Period May 2009 Slightly Above Normal Temperatures and Above Normal Rainfall: The big story for the weather for May 2009 was the lack of significant dry weather periods. The result was a very slow-to-start growing and planting season. In addition, the lengthy wet periods caused concern with farm management decisions, field operations, flooding and disease problems. The third week of May was the only week in May that was mostly dry, which allowed field operations to advance where fields were not flooded. The wet conditions started back in March and continued thru the spring season. Flooding was common across the state with some eastern locations receiving over 10 inches of rainfall for May 2009. Preliminary data indicated it was the 20th wettest May in the past 115 years. Temperatures for May 2009 averaged 64.9 degrees across the state which was 0.5 degrees above normal. High temperatures averaged from 76 in the West to 74 in the East. Departure from normal high temperatures ranged from 5 degrees below normal in the West to 1 degree below normal in the East. Low temperatures averaged from 57 degrees in the West to 56 degrees in the East. Departure from normal low temperature ranged from 1 degree above normal in the West to 1 degree above normal in the East. Precipitation (liq. equ.) for the period totaled 6.33 inches statewide which was 1.28 inches above normal. Precipitation totals by climate division, West 6.53 inches, Central 6.78 inches, Bluegrass 5.20 inches and East 6.60 inches, which was 1.54, 1.52, 0.29 and 1.75 inches respectively from normal. By station, precipitation totals ranged from a low of 2.73 inches at Buckhorn Lake to a high of 9.22 inches at Jackson. --- Kentucky Climate Summary: For April 2009 Slightly Above Normal Temperatures and Rainfall: After two months of below normal rainfall for the Bluegrass state for February and March, April 2009 experienced closer to normal precipitation and temperatures with generally wet conditions for the start of the planting season. During the final week of the month temperatures rose into the 80s for 5 days on gusty southerly winds which opened up opportunities for some field work as fields dried. Temperatures for the period averaged 55.5 degrees across the state which was 0.3 degrees above normal. High temperatures averaged from 68 in the West to 67 in the East. Departure from normal high temperatures ranged from 2 degrees below normal in the West to near normal in the East. Low temperatures averaged from 48 degrees in the West to 48 degrees in the East. Departure from normal low temperature ranged from 1 degree above normal in the West to 2 degrees above normal in the East. Precipitation (liq. equ.) for the period totaled 4.51 inches statewide which was 0.32 inches above normal. Precipitation totals by climate division, West 5.07 inches, Central 4.81 inches, Bluegrass 4.97 inches and East 3.89 inches, which was 0.54, 0.61, 1.08 and 0.06 inches respectively above normal. By station, precipitation totals ranged from a low of 2.56 inches at Bristol to a high of 6.97 inches at Hardinsburg. --- Kentucky Climate Summary: For the Period March 2009 Above normal temperatures and below normal rainfall... Although rainfall amounts did increase towards the end of the period, rainfall was still below normal by over an inch for the month. This created a deficit in rainfall for 2009 thus far as March was the 2nd straight month with below normal rainfall. Temperatures during the period were above normal for the 2nd straight month as well, which created a biological progression as field operations began throughout much of the Bluegrass State. Temperatures for the period averaged 48 degrees across the state which was 2 degrees above normal. High temperatures averaged from 62 in the West to 59 in the East. Departure from normal high temperatures ranged from 1 degree above normal in the West to 5 degrees above normal in the East. Low temperatures averaged from 42 degrees in the West to 39 degrees in the East. Departure from normal low temperature ranged from 6 degrees above normal in the West to 5 degrees above normal in the East. Rainfall for the period totaled 3.43 inches statewide which was 1.14 inches below normal. Rainfall totals by climate division, West 3.35 inches, Central 3.35 inches, Bluegrass 2.53 inches and East 3.14 inches, which was 1.33, 1.53, 1.82 and 0.26 inches respectively below normal. By station, precipitation totals ranged from a low of 1.21 inches at Louisville to a high of 5.17 inches at Henderson.
For the Monthly rainfall departure from normal, click here. --- Kentucky Climate Summary: For the Period February 2009 Below normal rainfall and near noraml temperatures... The Commonwealth recieved below normal rainfall during the period for the 1st time in 3 months. This was due in large part to the track of several storm systems. During December and January, many weather systems were tracking directly through the Ohio Valley; in February, however, weather systems began tracking south of the Ohio Valley. The month also proved to be a trend-breaker for temperatures in the Bluegrass State as well. February was the 1st month in the past 5 when below normal temperatures were not reported. Temperatures for the period averaged 38 degrees across the state which was near normal. High temperatures averaged from 48 in the West to 48 in the East. Departure from normal high temperatures ranged from 3 degrees below normal in the West to 3 degrees above normal in the East. Low temperatures averaged from 31 degrees in the West to 30 degrees in the East. Departure from normal low temperature ranged from 3 degrees above normal in the West to 4 degrees above normal in the East. Rainfall for the period totaled 2.67 inches statewide which was 1.08 inches below normal. Rainfall totals by climate division, West 3.08 inches, Central 2.92 inches, Bluegrass 2.61 inches and East 2.23 inches, which was 0.96, 1.21, 0.83 and 1.24 inches respectively below normal. By station, rainfall totals ranged from a low of 0.95 inches at Buckhorn Lake to a high of 3.89 inches at Evansville.
For the Monthly rainfall departure from normal, click here. --- Kentucky Climate Summary: For the Period January 2009 Above normal rainfall and below normal temperatures... The new year began just as 2008 ended...with above normal rainfall. Multiple weather systems that originated in Canada plunged into the Ohio Valley and provided the Commonwealth with a mixed bag of wintry precipitation throughout the month. In fact, the month ended with a winter storm that inundated the Bluegrass State with ice and caused over 600,000 to lose power. Some areas received a combination of over an inch of ice plus 6 inches of snow and sleet from this one storm. The arctic air masses that invaded the region thoughout most of the period caused the winter to remain colder than average as January was the 4th straight month to report below normal temperatures. Temperatures for the period averaged 30 degrees across the state which was 3 degrees below normal. High temperatures averaged from 39 in the West to 38 in the East. Departure from normal high temperatures ranged from 5 degrees below normal in the West to 1 degree below normal in the East. Low temperatures averaged from 23 degrees in the West to 23 degrees in the East. Departure from normal low temperature ranged from 2 degrees below normal in the West to 1 degree above normal in the East. Rainfall for the period totaled 5.09 inches statewide which was 1.37 inches above normal. Rainfall totals by climate division, West 4.26 inches, Central 5.67 inches, Bluegrass 4.64 inches and East 5.61 inches, which was 0.55, 1.65, 1.20 and 1.91 inches respectively above normal. By station, precipitation totals ranged from a low of 0.42 inches at Cape Girardeau to a high of 7.22 inches at Glasgow. pFad - Phonifier reborn

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