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

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CXUS53 KLSX 011848 CCA
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1236 PM CST WED JAN 1 2014

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

...THE ST. LOUIS MO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2013

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            71   12/20                         75
LOWEST              7   12/24                         20
AVG. MAXIMUM     42.6              42.5     0.1     49.9
AVG. MINIMUM     24.2              26.9    -2.7     33.5
MEAN             33.4              34.7    -1.3     41.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      7               5.7     1.3        0
DAYS MIN <= 32     23              21.0     2.0       18
DAYS MIN <= 0       0               0.5    -0.5        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.82   1982
 MINIMUM         0.03   1955
TOTALS           1.96              2.84   -0.88     2.00
DAILY AVG.       0.06              0.09   -0.03     0.06
DAYS >= .01         7               9.4    -2.4       12
DAYS >= .10         5               5.4    -0.4        6
DAYS >= .50         1               1.7    -0.7        0
DAYS >= 1.00        0               0.7    -0.7        0
GREATEST
 24 HR. TOTAL    0.93   12/20 TO 12/21

SNOWFALL (INCHES)
RECORDS
 TOTAL           26.3   1973
 24 HR TOTAL     12.0   12/19/1973 TO 12/19/1973
TOTALS            5.6               4.4     1.2      2.1
SINCE 7/1         5.6               5.1     0.5      2.1
GREATEST
 24 HR TOTAL      4.2   12/13 TO 12/14

DEGREE_DAYS
HEATING TOTAL     970               939      31      720
 SINCE 7/1       1840              1765      75     1599
COOLING TOTAL       0                 0       0        8
 SINCE 1/1       1728              1646      82     2217
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    25/290    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    31/290    DATE  12/20

SKY COVER
POSSIBLE SUNSHINE (PERCENT)   MM
NUMBER OF DAYS FAIR            7
NUMBER OF DAYS PC             11
NUMBER OF DAYS CLOUDY         13


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               1
HEAVY RAIN                0     RAIN                       1
LIGHT RAIN                5     FREEZING RAIN              2
LT FREEZING RAIN          3     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                8     SLEET                      1
FOG                      15     FOG W/VIS <= 1/4 MILE      1
HAZE                     12

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

$$

DEC 20TH - RECORD HIGH 71 DEGREES...PREVIOUSLY 68 DEGREES IN 1949/1978.





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