Climatological Report (Monthly) Issued by NWS Huntsville, AL
000
CXUS54 KHUN 031555
CLMMSL
CLIMATE REPORT
NATIONAL WEATHER SERVICE HUNTSVILLE AL
953 AM CST TUE JAN 3 2017
...................................
...THE MUSCLE SHOALS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2016...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1893 TO 2017
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE
NORMAL
.............................................................
TEMPERATURE (F)
RECORD
HIGH 78 12/25/2016
12/27/2015
12/07/1998
LOW -5 12/23/1989
HIGHEST 78R 12/25 MM MM 78
LOWEST 22 12/19 MM MM 24
12/10
AVG. MAXIMUM 56.7 52.8 3.9 63.8
AVG. MINIMUM 36.2 33.8 2.4 44.4
MEAN 46.5 43.3 3.2 54.1
DAYS MAX >= 90 0 0.0 0.0 0
DAYS MAX <= 32 0 1.0 -1.0 0
DAYS MIN <= 32 13 14.4 -1.4 6
DAYS MIN <= 0 0 0.1 -0.1 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 19.19 1990
MINIMUM 0.65 1980
TOTALS 5.34 5.68 -0.34 6.94
DAILY AVG. 0.17 0.18 -0.01
DAYS >= .01 12 10.6 1.4 10
DAYS >= .10 10 7.3 2.7 7
DAYS >= .50 3 3.6 -0.6 5
DAYS >= 1.00 1 1.7 -0.7 2
GREATEST
24 HR. TOTAL 2.07 12/03 TO 12/04 3.07
SNOWFALL (INCHES)
RECORDS
TOTAL 11.1 1963
24 HR TOTAL 6.0 12/22/1963 TO 12/22/1963
12/27/1907 TO 12/27/1907
TOTALS T 0.4 -0.4 0.0
SINCE 7/1 T 0.4 -0.4 0.0
DAYS >= TRACE 1 0.4 0.6
DAYS >= 1.0 0 0.1 -0.1
GREATEST
24 HR TOTAL T 12/18 TO 12/18 0.0
DEGREE_DAYS
HEATING TOTAL 568 674 -106 353
SINCE 7/1 896 1236 -340 718
COOLING TOTAL 2 1 1 22
SINCE 1/1 2368 1872 496 2030
FREEZE DATES
RECORD
EARLIEST 10/03/1908
LATEST 04/27/1919
EARLIEST 11/07
LATEST 03/28
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WIND (MPH)
AVERAGE WIND SPEED 7.0
HIGHEST WIND SPEED/DIRECTION 36/280 DATE 12/18
HIGHEST GUST SPEED/DIRECTION 45/270 DATE 12/18
AVERAGE RH (PERCENT) 67
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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