Knott Severe Watches & Warnings NOAA Weather Radio

Record Report
Statement as of 1:33 am EDT on September 01, 2014

...Record daily maximum rainfall set at Jackson KY...

A record rainfall of 1.85 inches was set at Jackson KY yesterday. This breaks the old record of 0.86 inches set in 2013. This brings the monthly total to 8.55 inches...which is makes August 2014 the second wettest August on record...only bested by the 10.04 inches from last year. Furthermore...Summer 2014 ended up with a total of 17.44 inches...which places this Summer as the third wettest Summer at Jackson.

Weather records at the Jackson weather office date back to 1981.

Public Information Statement
Statement as of 4:59 am EDT on September 1, 2014

...Summer 2014 was wet and cool throughout eastern Kentucky.. ....August saw very wet conditions across eastern Kentucky...

The end of August marked the end to meteorological Summer. The Jackson weather office had a mean Summer temperature of 73.5 degrees...which is 0.5 degrees below the normal of 74.0 degrees. The mean temperature at London was also 73.5 degrees...which is 1.3 degrees below the normal of 74.8 degrees. Jackson and London recorded Summer precipitation well above normal. The Jackson weather office finished with a seasonal total of 17.44 inches...which is 4.40 inches above the normal of 13.04 inches. The London Corbin Airport totaled 15.81 inches over Summer...which is 3.66 inches above the normal of 12.15 inches. Summer 2014 was the third wettest Summer at Jackson...while it was the ninth wettest at London.

Both Jackson and London saw very wet conditions during August 2014. Last month...the Jackson weather office was well over four and three quarters of an inch above normal...while the London Corbin Airport was over two and a third inches wetter. In fact...it was the second wettest August at Jackson...and the fourth wettest August at London. On the temperature side of the fence...Jackson and London were on opposite sides of normal last month. The Jackson weather office was almost one degree cooler than normal...while the London Corbin Airport was a couple of tenths of a degree above normal.

The National Weather Service office near Jackson finished August 2014 with an average temperature of 73.6 degrees...which is 0.9 degrees below the normal of 74.5 degrees. The average daily high was 82.2 degrees...and the average daily low was 65.0 degrees. The highest temperature for August was 89 degrees and occurred on the 22nd...29th and 30th. No maximum temperature records were set or tied last month. The lowest temperature from August 2014 was 55 degrees on the 16th...which set a daily low temperature record. Additional daily low records occurred on the 3rd with 57 degrees and on the 4th with 59 degrees. A minimum high record of 69 degrees was set on the 8th. Even though August averages 4.4 days of 90 degree temperatures or higher...no 90 degree readings have occurred in August in the last four years...and only once in the last six years.

The Jackson weather office received 8.55 inches of precipitation in August 2014...which is 4.86 inches above normal. This amount placed last month as the second wettest August on record...only behind the 10.04 inches from August of 2013. Even though 8.55 inches is a large total for a month...it is only the 14th wettest month ever at Jackson. There were 16 days when a hundredth of an inch or more of precipitation was recorded...and 10 days when a tenth of an inch or more fell. There were five days when at least a half an inch of rain was received...and three days with more than an inch. The 16 days of at least a hundredth of an inch of precipitation is the highest August total ever. The day of the 31st netted 1.85 inches of rain...which was the greatest daily amount for August and set a daily precipitation record as well. The greatest amount of rainfall received in a 24 hour period occurred on the 30th to 31st with a total of 2.16 inches. Additional precipitation records were set on the 9th with 1.57 inches...and on the 10th with 1.30 inches. The annual precipitation total is now 38.30 inches...which is 4.75 inches above normal.

Thunder was heard on 12 days at the Jackson weather office...which is well above the normal of 7.4 days for August. There were 25 days with fog...14 of which featured dense fog. August normally averages 7.9 days of dense fog. The average wind speed for August was 1.2 mph...and the highest wind gust of 24 mph was recorded on August 22nd. The mean wind speed for August is typically 3.6 mph.

After recording 3 heating degree days in July...there was 0 in August. This is 2 below normal for the month. The seasonal total remains at 3...which is 1 heating degree day above normal for the season. Jackson accumulated 274 cooling degree days last month...which is 24 below normal. The cooling degree day seasonal total is now 1001...which is 23 above normal.

At the London Corbin Airport...the average temperature was 75.4 degrees...which is 0.2 degrees above the normal of 75.2 degrees for August. The average daily high was 84.9 degrees...and the average daily low was 65.9 degrees. The highest temperature from last month was 90 degrees and occurred on four days...the 20th....the 23rd...the 29th...and the 30th. The lowest temperature from last month was 56 degrees on the 14th. No maximum or minimum temperature records were set or tied at London in August 2014. There were two maximum low temperature records set last month...73 degrees on the 23rd....and 74 degrees on the 24th.

The London Corbin Airport recorded 6.10 inches of precipitation in August 2014...which is 2.39 inches above normal. Last month was the fourth wettest August at London. There were 12 days when a hundredth of an inch or more fell...and eight days when a tenth of an inch or more of rain was recorded. London had five days with at least a half an inch...and one day with more than an inch. The greatest daily amount was 2.03 inches on the 30th....which set the only precipitation record last month. The greatest amount of precipitation received in a 24 hour period was 2.54 inches from the 30th through the 31st.

London had six days with thunder last month. Also...there were 27 days with fog...and five days with dense fog. The average wind speed for August 2014 was 3.6 mph...with the highest wind gust of 38 mph recorded on the 6th.

There were no heating degree days at London last month...which is 1 below normal. No heating degree days have been recorded yet this season...which is 1 below normal. London recorded 331 cooling degree days last month...which is 14 above normal. The seasonal cooling degree day total is missing due to a two day power outage at London in June.

Weather records at the National Weather Service office near Jackson Kentucky date back to January 1st 1981...while climate records for the London Corbin Airport began on the 11th of November 1954.