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

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CXUS53 KLSX 042148 CCA
CLACOU

CLIMATE REPORT
...UPDATED...
NATIONAL WEATHER SERVICE ST LOUIS MO
1024 PM CST TUE JAN 3 2012

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

...THE COLUMBIA CLIMATE SUMMARY FOR THE YEAR OF 2011...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             113   07/14/1954
                        07/12/1954
 LOW              -26   02/12/1899
HIGHEST           108   08/02
LOWEST            -10   02/10
                        02/03
AVG. MAXIMUM     65.2              64.8     0.4
AVG. MINIMUM     45.3              44.5     0.8
MEAN             55.3              54.6     0.7
DAYS MAX >= 90     44
DAYS MAX <= 32     27
DAYS MIN <= 32     99
DAYS MIN <= 0       5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        62.49   1993
 MINIMUM        21.35   1901
TOTALS          39.48             42.62   -3.14
DAYS >= .01       116
DAYS >= .10        73
DAYS >= .50        27
DAYS >= 1.00       10
GREATEST
 24 HR. TOTAL    1.86

SNOWFALL (INCHES)
RECORDS
 TOTAL           49.4   1960
 24 HR TOTAL     18.0   01/19/1995
TOTALS           46.3              18.4    27.9
SINCE 7/1         1.3               5.8    -4.5
GREATEST
 SNOW DEPTH        18   02/02
 24 HR TOTAL     17.5   02/01

DEGREE_DAYS
HEATING TOTAL    4934              5024     -90
 SINCE 7/1       1713              1995    -282
COOLING TOTAL    1510              1248     262
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.0
HIGHEST WIND SPEED/DIRECTION    53/340    DATE  06/27
HIGHEST GUST SPEED/DIRECTION    64/270    DATE  05/12
                                64/230    DATE  03/04


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             57     HAIL                       1
FOG W/VIS <= 1/4 MILE    22

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


***2011 CLIMATE NOTES***

ANNUAL...

3RD SNOWIEST YEAR 46.3 INCHES ON RECORD (1891-PRESENT)


SEASONAL...

13TH WARMEST SUMMER (JUNE-AUGUST) 78.3 DEGREES


MONTHLY...

9TH SNOWIEST JANUARY 13.9 INCHES

SNOWIEST FEBRUARY EVER WITH 23.3 INCHES
(PREVIOUS 20.2 INCHES IN 1993)

6TH WARMEST JULY WITH 82.2 DEGREES


DAILY...

3 TOTAL DAILY SNOWFALL RECORDS
* 2/1: 17.5 INCHES WAS SECOND HIGHEST DAILY SNOWFALL EVER
(HIGHEST 18.0 01/19/1995)

1 DAILY PRECIPITATION RECORD (1.33 INCHES NOV. 8)

3 TOTAL HIGH MINIMUM TEMPERATURES

3 TOTAL HIGH MAXIMUM TEMPERATURES

2 TOTAL LOW MAXIMUM TEMPERATURES

$$








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