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000
CXUS53 KLSX 020118 CCA
CLMSTL

CLIMATE REPORT
...CORRECTION...
NATIONAL WEATHER SERVICE ST LOUIS MO
120 PM CST TUE JAN 1 2013

...CORRECTION FOR NUMBER OF THUNDERSTORM DAYS AND COMMENTS...

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2012

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            75   12/02                         62
LOWEST             20   12/22                         19
AVG. MAXIMUM     49.9              42.5     7.4     48.7
AVG. MINIMUM     33.5              26.9     6.6     32.8
MEAN             41.7              34.7     7.0     40.8
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      0               5.7    -5.7        0
DAYS MIN <= 32     18              21.0    -3.0       19
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.82   1982
 MINIMUM         0.03   1955
TOTALS           2.00              2.84   -0.84     3.12
DAILY AVG.       0.06              0.09   -0.03     0.10
DAYS >= .01        12               9.4     2.6       11
DAYS >= .10         6               5.4     0.6        8
DAYS >= .50         0               1.7    -1.7        2
DAYS >= 1.00        0               0.7    -0.7        0
GREATEST
 24 HR. TOTAL    0.38   12/19 TO 12/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.3   1973
 24 HR TOTAL     12.0   12/19/1973 TO 12/19/1973
TOTALS            2.1               4.4    -2.3      2.0
SINCE 7/1         2.1               5.1    -3.0      2.0
GREATEST
 24 HR TOTAL      1.2   12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     720               939    -219      741
 SINCE 7/1       1599              1765    -166     1397
COOLING TOTAL       8                 0       8        0
 SINCE 1/1       2217              1646     571     2014
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    45/290    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    67/290    DATE  12/20

SKY COVER
NUMBER OF DAYS FAIR            6
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY         16


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              3     MIXED PRECIP               0
HEAVY RAIN                0     RAIN                       4
LIGHT RAIN               11     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       1
LIGHT SNOW                5     SLEET                      0
FOG                      14     FOG W/VIS <= 1/4 MILE      0
HAZE                     11

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

MONTHLY...

- TIED 8TH WARMEST DECEMBER ON RECORD (41.7 DEGREES).

- HIGHEST WIND GUST EVER RECORDED IN DECEMBER 67 MPH ON 12/21.

DAILY...

- 12/2 RECORD HIGH MAXIMUM 75 DEGREES PREVIOUS 74 DEGREES IN 1982.

- 12/3 RECORD HIGH MINIMUM 63 DEGREES PREVIOUS 62 DEGREES IN 1998.

$$