Climatological Report (Monthly)
Issued by NWS St Louis, MO

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CXUS53 KLSX 020806 CCB
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
708 AM CST FRI JAN 1 2016

...................................

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2015

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/03/1970
                        12/15/1948
 LOW              -16   12/22/1989
HIGHEST            72   12/12                         63
LOWEST             26   12/19                         13
AVG. MAXIMUM     53.2              42.5    10.7     44.6
AVG. MINIMUM     37.7              26.9    10.8     33.1
MEAN             45.4              34.7    10.7     38.9
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               5.7    -5.7        1
DAYS MIN <= 32     10              21.0   -11.0       14
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.82   1982
 MINIMUM         0.03   1955
TOTALS          11.74R             2.84    8.90     2.72
DAILY AVG.       0.38              0.09    0.29     0.09
DAYS >= .01        10               9.4     0.6        9
DAYS >= .10         8               5.4     2.6        4
DAYS >= .50         5               1.7     3.3        2
DAYS >= 1.00        4               0.7     3.3        1
GREATEST
 24 HR. TOTAL    5.37   12/26 TO 12/27

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.3   1973
 24 HR TOTAL     12.0   12/19/1973
TOTALS              T               4.4    -4.4      0.2
SINCE 7/1           T               5.1    -5.1      4.0
GREATEST
 24 HR TOTAL        T   SEVERAL OCCASSIONS

DEGREE_DAYS
HEATING TOTAL     597               939    -342      804
 SINCE 7/1       1159              1765    -606     1761
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1873              1646     227     1732
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    35/250    DATE  12/13
HIGHEST GUST SPEED/DIRECTION    44/280    DATE  12/23

SKY COVER

NUMBER OF DAYS FAIR            5
NUMBER OF DAYS PC             12
NUMBER OF DAYS CLOUDY         14


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              4     MIXED PRECIP               0
HEAVY RAIN                6     RAIN                       9
LIGHT RAIN               13     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       3
LIGHT SNOW                3     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      2
HAZE                      7

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


RECORDS SET IN DECEMBER 2015...

TEMPERATURES...

THIRD WARMEST DECEMBER ON RECORD WITH 45.4 DEGREES.

2ND MOST NUMBER OF OCCURRENCES OF A MAXIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 50 DEGREES (20 DAYS).

TIED 7TH LEAST NUMBER OF OCCURRENCES OF A MINIMUM TEMPERATURE LESS THAN OR
EQUAL TO 32 DEGREES (10 DAYS).

DECEMBER 12TH RECORD HIGH TEMPERATURE OF 72 DEGREES PREVIOUS 70 IN 1991.

DECEMBER 21ST TIED RECORD HIGH TEMPERATURE OF 67 DEGRES PREVIOUS IN 1967.

DECEMBER 13TH RECORD HIGH MINIMUM TEMPERATURE OF 58 DEGREES PREVIOUS 56 SET
IN 1889.


PRECIPITATION...

WETTEST DECEMBER ON RECORD WITH 11.74 INCHES PREVIOUS WAS 7.82 IN 1982.

TIED 4TH LEAST SNOWIEST DECEMBER ON RECORD (TRACE).

DECEMBER 26TH RECORD DAILY MAXIMUM RAINFALL OF 4.87 INCHES PREVIOUS WAS 1.06.
IN 1916

DECEMBER 28TH RECORD DAILY MAXIMUM RAINFALL OF 2.59 INCHES PREVIOUS 1.45
INCHES IN 1884.





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