National Weather Service Weather Forecast Office

December averaged milder and wetter than normal across our region.

• Precipitation averaged two to three inches above normal. At Paducah, December was the 9th wettest December on record. Evansville experienced its 11th wettest December.
• Temperatures averaged 4 to 5 degrees above normal. It was the 14th warmest December at Paducah. Evansville did not rank among the top 15.
• Snowfall was officially just a trace at both Evansville and Paducah, though many locations to the north and west received one to two inches of snow. Decembers without measurable snow are quite common at Paducah. At Evansville, there have only been 13 Decembers since 1897 without measurable snow.

The narrative climate summary for Evansville follows immediately below. Click here for the Paducah summary.

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...THE EVANSVILLE ASOS CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2011...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1896 TO 2011

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE  DATE(S)
                                          NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH              77   12/02/1982
LOW              -15   12/22/1989
HIGHEST            65   12/15        44      21       64  12/31
LOWEST             20   12/11        27      -7        2  12/14
                        12/10
AVG. MAXIMUM     49.1              44.1     5.0     36.8
AVG. MINIMUM     32.5              27.1     5.4     23.2
MEAN             40.8              35.6     5.2     30.0
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               4.6    -4.6       12
DAYS MIN <= 32     16              21.3    -5.3       28
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
MAXIMUM         8.23   1982
MINIMUM         0.56   1976
TOTALS           6.04              3.76    2.28     1.80
DAILY AVG.       0.19              0.12    0.07     0.06
DAYS >= .01        10              10.8    -0.8        9
DAYS >= .10         9               7.2     1.8        7
DAYS >= .50         5               2.6     2.4        1
DAYS >= 1.00        2               0.9     1.1        0
GREATEST
24 HR. TOTAL    2.67   12/04 TO 12/05
STORM TOTAL       MM
(MM/DD(HH))            MM

SNOWFALL (INCHES)
RECORDS
TOTAL           25.1   1917
TOTALS              T               3.2    -3.2      6.6
SINCE 7/1         0.1               3.5    -3.4      6.6
SNOWDEPTH AVG.      0                MM      MM        0
DAYS >= TRACE       1
DAYS >= 1.0         0               1.0    -1.0        2
GREATEST
SNOW DEPTH         0   MM                             2  12/26
24 HR TOTAL        T   12/27 TO 12/27
STORM TOTAL       MM
(MM/DD(HH))            MM

DEGREE_DAYS
HEATING TOTAL     745               911    -166     1079
SINCE 7/1       1479              1772    -293     1812
.................................................................

WIND (MPH)
AVERAGE WIND SPEED              6.0
HIGHEST WIND SPEED/DIRECTION    26/240    DATE  12/30
HIGHEST GUST SPEED/DIRECTION    38/230    DATE  12/30

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
AVERAGE SKY COVER           0.50
NUMBER OF DAYS FAIR           14
NUMBER OF DAYS PC              6
NUMBER OF DAYS CLOUDY         11

AVERAGE RH (PERCENT)     74

WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                4     RAIN                       7
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                1     SLEET                      0
FOG                      19     FOG W/VIS <= 1/4 MILE      0
HAZE                      6

-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.

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