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

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CXUS53 KLSX 011936
CLMCOU


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

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

...THE COLUMBIA MO CLIMATE SUMMARY FOR THE MONTH OF DECEMBER 2012...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2012

WEATHER         OBSERVED          NORMAL  DEPART  LAST YEAR`S
                 VALUE   DATE(S)  VALUE   FROM    VALUE
                                          NORMAL
.............................................................
TEMPERATURE (F)
RECORD
 HIGH              76   12/08/1991
 LOW              -23   12/20/1901
HIGHEST            75   12/03                         64
LOWEST             16   12/22                         11
                        12/11
AVG. MAXIMUM     47.9              41.1     6.8     46.8
AVG. MINIMUM     30.1              23.7     6.4     28.7
MEAN             39.0              32.4     6.6     37.7
DAYS MAX >= 90      0               0.0     0.0        0
DAYS MAX <= 32      5               6.9    -1.9        2
DAYS MIN <= 32     20              24.2    -4.2       25
DAYS MIN <= 0       0               1.1    -1.1        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM         7.82   1895
 MINIMUM         0.19   1955
TOTALS           1.64              2.44   -0.80     3.51
DAILY AVG.       0.05              0.08   -0.03     0.11
DAYS >= .01        10               8.4     1.6       12
DAYS >= .10         5               4.5     0.5        7
DAYS >= .50         0               1.6    -1.6        2
DAYS >= 1.00        0               0.7    -0.7        1
GREATEST
 24 HR. TOTAL    0.46   12/03 TO 12/03              1.74
                        12/03 TO 12/04

SNOWFALL (INCHES)
RECORDS
 TOTAL           17.8   1973
 24 HR TOTAL     13.0   12/01/2006 TO 12/01/2006
TOTALS            3.7               4.4    -0.7      1.3
SINCE 7/1         3.7               5.3    -1.6      1.3
GREATEST
 24 HR TOTAL      2.3   12/31 TO 12/31

DEGREE_DAYS
HEATING TOTAL     798              1010    -212      838
 SINCE 7/1       1765              1995    -230     1713
COOLING TOTAL       0                 0       0        0
 SINCE 1/1       1896              1249     647     1508
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    38/240    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    49/300    DATE  12/20

SKY COVER
NUMBER OF DAYS FAIR           13
NUMBER OF DAYS PC              9
NUMBER OF DAYS CLOUDY          9


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              0     MIXED PRECIP               0
HEAVY RAIN                1     RAIN                       3
LIGHT RAIN               10     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       2
LIGHT SNOW                3     SLEET                      0
FOG                      15     FOG W/VIS <= 1/4 MILE      3
HAZE                      9

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

DAILY...

- 11/3 RECORD HIGH MAXIMUM 75 DEGREES PREVIOUS 72 DEGREES IN 1998.

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