May 2007 Driest May Ever at Jackson

VERY WARM AND DRY CONDITIONS CONTINUED TO PLAGUE EASTERN KENTUCKY.
THE JACKSON WEATHER OFFICE ENDED LAST MONTH WITH A PRECIPITATION
TOTAL OF ONLY 1.82 INCHES...WHICH IS SOME THREE AND A THIRD INCHES
BELOW NORMAL. JACKSON/S MAY 2007 TOTAL IS ALSO THE DRIEST MAY EVER
AT JACKSON...BESTING THE PREVIOUS DRY MAY BY NEARLY A HALF AN INCH.
THE LONDON CORBIN AIRPORT ENDING UP DRIER THAN NORMAL AS
WELL...FALLING MORE THAN ONE AND A QUARTER INCHES SHORT OF TYPICAL
MAY PRECIPITATION. BOTH THE LONDON CORBIN AIRPORT AND THE JACKSON
WEATHER OFFICE FINISHED MAY 2007 AROUND FOUR DEGREES WARMER THAN
NORMAL. IN FACT...MAY 2007 TIED AS THE 4TH WARMEST MAY AT
JACKSON...WHILE LONDON SAW LAST MONTH TIED FOR THE 8TH WARMEST MAY.

THE END OF MAY ALSO MARKED THE END OF METEOROLOGICAL SPRING. JACKSON
HAD A MEAN TEMPERATURE OF 59.0 DEGREES...WHICH IS 3.2 DEGREES WARMER
THAN THE NORMAL OF 55.8 DEGREES. SPRING 2007 WAS THE 2ND WARMEST
SPRING ON RECORD AT JACKSON...ONLY BEHIND THE SPRING OF 1991 WHICH
AVERAGED 60.2 DEGREES. THE JACKSON WEATHER OFFICE EXPERIENCED A MUCH
DRIER THAN NORMAL SPRING. JACKSON ONLY ACCUMULATED 7.75 INCHES OF
PRECIPITATION...WHICH WAS 5.58 INCHES BELOW THE SPRING NORMAL OF
13.33 INCHES. SPRING 2007 WAS THE 2ND DRIEST SPRING AT
JACKSON...WELL BEHIND THE DRIEST SPRING OF 4.93 INCHES FROM 1986.
DUE TO A POWER OUTAGE AT THE LONDON CORBIN AIRPORT...SEASONAL
PRECIPITATION AND TEMPERATURE DATA IS NOT AVAILABLE.

THE NATIONAL WEATHER SERVICE OFFICE NEAR JACKSON FINISHED MAY 2007
WITH AN AVERAGE TEMPERATURE OF 68.2 DEGREES...WHICH IS 4.1 DEGREES
ABOVE THE NORMAL OF 64.1 DEGREES. THE AVERAGE DAILY HIGH WAS 79.3
DEGREES...AND THE AVERAGE DAILY LOW WAS 57.1 DEGREES. THE HIGHEST
TEMPERATURE FOR MAY 2007 WAS 88 DEGREES AND OCCURRED ON THE 1ST AND
THE 30TH. THE 88 DEGREES ON THE 1ST ESTABLISHED A NEW DAILY MAXIMUM
TEMPERATURE RECORD. ANOTHER HIGH TEMPERATURE RECORD WAS SET ON THE
22ND WITH A READING OF 86 DEGREES...WHILE 86 DEGREES ON THE 9TH TIED
THE RECORD FOR THAT DAY. THE LOWEST TEMPERATURE FROM LAST MONTH WAS
41 DEGREES...AND OCCURRED ON THE 17TH AND 19TH. NO LOW TEMPERATURE
RECORDS WERE SET OR TIED AT JACKSON LAST MONTH. NEW MAXIMUM LOW
TEMPERATURE RECORDS WERE SET ON MAY 1ST...2ND AND 11TH...WITH
READINGS OF 62 DEGREES...64 DEGREES AND 63 DEGREES RESPECTIVELY. IN
ADDITION...MAY 2007 TIED MAY 2004 AS THE 4TH WARMEST MAY.

THE JACKSON WEATHER OFFICE RECEIVED 1.82 INCHES OF PRECIPITATION IN
MAY 2007...WHICH IS 3.34 INCHES BELOW THE NORMAL OF 5.16 INCHES.
THERE WERE EIGHT DAYS WHEN A HUNDREDTH OF AN INCH OR MORE OF
PRECIPITATION WAS RECORDED...AND FIVE DAYS WHEN A TENTH OF AN INCH
OR MORE FELL. THERE WAS ONE DAY WHEN AT LEAST A HALF AN INCH OF
RAIN WAS RECEIVED...AND NO DAYS SAW MORE THAN ONE INCH. THE DAY OF
THE 16TH NETTED 0.68 INCHES OF RAIN...WHICH WAS THE MOST RAINFALL
LOGGED IN A SINGLE DAY LAST MONTH...THE MOST RECEIVED IN A 24 HOUR
PERIOD...AND TIED THE DAILY PRECIPITATION RECORD FOR THAT DAY. NO
OTHER PRECIPITATION RECORDS WERE TIED OR BROKEN AT JACKSON LAST
MONTH. MAY 2007 IS THE DRIEST MAY ON RECORD...REPLACING THE PREVIOUS
DRY MAY OF 2.25 INCHES FROM 1987. ALSO OF NOTE...MAY WAS THE
SEVENTH  MONTH IN A ROW OF BELOW NORMAL PRECIPITATION. SINCE
NOVEMBER 1ST 2006...JACKSON HAS RECEIVED 16.24 INCHES OF
PRECIPITATION...WHICH IS 12.80 INCHES BELOW NORMAL.

THUNDER WAS HEARD 5 DAYS LAST MONTH AT THE JACKSON WEATHER
OFFICE...WHICH IS BELOW THE AVERAGE OF 8.3 DAYS FOR MAY.
THERE WERE 14 DAYS WITH FOG...3 OF WHICH FEATURED DENSE FOG. MAY
NORMALLY AVERAGES 6.2 DAYS OF DENSE FOG. 19,434 MINUTES OF SUNSHINE
WERE RECORDED LAST MONTH WHICH IS 74 PERCENT OF ALL POSSIBLE
SUNSHINE FOR THE MONTH. THE AVERAGE WIND SPEED FOR MAY IS MISSING
DUE TO A SENSOR OUTAGE ON THE 24TH. THE HIGHEST WIND GUST OF 25 MPH
WAS RECORDED ON THE 16TH. THE MEAN WIND SPEED FOR MAY IS TYPICALLY
5.6 MPH.

159 COOLING DEGREE DAYS WERE RECORDED AT THE JACKSON WEATHER OFFICE
IN MAY...WHICH IS 59 COOLING DEGREE DAYS ABOVE NORMAL. THE
SEASONAL COOLING DEGREE DAY TOTAL IS NOW 248...WHICH IS 137 COOLING
DEGREE DAYS ABOVE NORMAL. THERE WAS 52 HEATING DEGREE DAYS RECORDED
AT JACKSON LAST MONTH...WHICH IS 76 HEATING DEGREE DAYS BELOW NORMAL
FOR THE MONTH. THE SEASONAL HEATING DEGREE DAY TOTAL IS NOW
4094...WHICH IS 254 HEATING DEGREE DAYS BELOW NORMAL FOR THE SEASON.

AT THE LONDON CORBIN AIRPORT...THE AVERAGE TEMPERATURE WAS 67.9
DEGREES...WHICH IS 3.9 DEGREES ABOVE THE NORMAL OF 64.0 DEGREES FOR
MAY. THE AVERAGE DAILY HIGH WAS 81.5 DEGREES...AND THE AVERAGE DAILY
LOW WAS 54.3 DEGREES. MAY 2007 TIED MAY OF 1959 FOR THE 8TH WARMEST
MAY ON RECORD. THE HIGHEST TEMPERATURE FROM LAST MONTH WAS 89
DEGREES WHICH OCCURRED ON THE 30TH AND 31ST. LONDON ESTABLISHED A
NEW DAILY HIGH TEMPERATURE RECORD ON THE 1ST WITH A READING OF 88
DEGREES. LONDON ALSO TIED THREE MAXIMUM RECORDS LAST MONTH...WITH
READINGS OF 86 DEGREES...87 DEGREES AND 88 DEGREES...ON THE
10TH...11TH AND 27TH RESPECTIVELY. THE LOWEST TEMPERATURE FROM MAY
2007 WAS 38 DEGREES...AND OCCURRED ON THE 19TH. NO LOW TEMPERATURE
RECORDS WERE TIED OR BROKEN AT LONDON LAST MONTH. A MAXIMUM LOW
TEMPERATURE RECORD WAS SET LAST MONTH WITH A READING OF 62 DEGREES
ON THE 5TH...AND ONE MAX LOW RECORD WAS TIED WITH A TEMPERATURE OF
62 DEGREES ON THE 3RD.

THE LONDON CORBIN AIRPORT RECORDED 3.30 INCHES OF PRECIPITATION IN
MAY 2007...WHICH IS 1.39 INCHES BELOW THE NORMAL OF 4.69 INCHES.
THERE WERE SEVEN DAYS WITH A HUNDREDTH OF AN INCH OR MORE FELL...AND
FIVE DAYS WHEN A TENTH OF AN INCH OR MORE OF RAIN WAS RECORDED.
LONDON HAD TWO DAYS WITH AT LEAST A HALF AN INCH....AND TWO DAYS
OVER ONE INCH. COINCIDENTLY...THE GREATEST DAILY AMOUNT WAS 1.22
INCHES AND OCCURRED ON THE 2ND AND 4TH. THE TOTAL ON THE 2ND
ESTABLISHED A NEW DAILY PRECIPITATION RECORD AND WAS THE ONLY RECORD
TIED OR BROKEN AT LONDON LAST MONTH. THE GREATEST AMOUNT OF
PRECIPITATION RECEIVED IN A 24 HOUR PERIOD WAS 1.48 INCHES...AND
HAPPENED FROM THE 2ND THROUGH THE 3RD. MOST OF LONDON/S
PRECIPITATION TOTAL ARRIVED DURING THE FIRST PART OF MAY...AS LONDON
HAS NOT RECEIVED MEASURABLE PRECIPITATION SINCE MAY 16TH. THIS RUN
OF 15 DAYS IS THE LONGEST CONSECUTIVE STREAK OF RAINFREE DAYS SINCE
A RUN OF 18 DAYS FROM LATE AUGUST THROUGH THE MIDDLE OF SEPTEMBER OF
2002. THE RECORD FOR THE MOST CONSECUTIVE DAYS WITHOUT MEASURABLE
PRECIPITATION AT LONDON IS 23 DAYS...ENDING ON SEPTEMBER 7TH 1957.
LONDON/S ANNUAL PRECIPITATION TOTAL IS MISSING DUE TO A POWER OUTAGE
IN APRIL.

LONDON HAD 5 DAYS WITH THUNDER LAST MONTH. ALSO...THERE WERE 24 DAYS
WITH FOG...AND 3 DAYS WITH DENSE FOG. THE AVERAGE WIND SPEED FOR MAY
2007 WAS 3.2 MPH...WITH THE HIGHEST WIND GUST OF 29 MPH RECORDED ON
THE 17TH.

LONDON RECORDED 138 COOLING DEGREE DAYS LAST MONTH...WHICH IS 44
COOLING DEGREES DAYS ABOVE NORMAL. THERE WERE 41 HEATING DEGREE
DAYS RECORDED AT THE LONDON CORBIN AIRPORT IN MAY 2007...WHICH IS
84 HEATING DEGREE DAYS BELOW NORMAL FOR THE MONTH. THE SEASONAL
HEATING DEGREE DAY AND COOLING DEGREE DAY TOTALS ARE MISSING DUE TO
THE POWER OUTAGE IN APRIL.

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.

FOR ADDITIONAL MONTHLY WEATHER INFORMATION:

http://www.crh.noaa.gov/product.php?site=JKL&issuedby=JKL&product=CLM&format=ci&version=1

 



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