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

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CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1004 AM CDT FRI JUN 1 2012

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

...THE COLUMBIA ASOS CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2012 TO 5/31/2012...

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             101   05/31/1934
 LOW               -9   03/05/1960
HIGHEST            92   05/27
                        05/26
LOWEST             22   03/05
AVG. MAXIMUM     74.1              65.2     8.9
AVG. MINIMUM     51.8              43.9     7.9
MEAN             63.0              54.5     8.5
DAYS MAX >= 90      5
DAYS MAX <= 32      0
DAYS MIN <= 32      5
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        22.73   1922
 MINIMUM         4.87   1932
TOTALS          13.58             12.38    1.20
DAYS >= .01        27
DAYS >= .10        21
DAYS >= .50        11
DAYS >= 1.00        4
GREATEST
 24 HR. TOTAL    3.22   04/29 TO 04/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           24.5   1960
 24 HR TOTAL     12.8   03/12/1937 TO 03/13/1937
TOTALS              T               1.8    -1.8
SINCE 7/1         6.6              18.4   -11.8
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL        T   03/02 TO 03/02

DEGREE_DAYS
HEATING TOTAL     444              1066    -622
 SINCE 7/1       3787              5012   -1225
COOLING TOTAL     285               104     181
 SINCE 1/1        285               103     182
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.3
HIGHEST WIND SPEED/DIRECTION    37/200    DATE  03/06
HIGHEST GUST SPEED/DIRECTION    49/200    DATE  03/06


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             18     HAIL                       0
FOG W/VIS <= 1/4 MILE     2

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

&&

...SEASONAL...

WARMEST SPRING ON RECORD (63.0 DEGREES) PREVIOUS 59.0 DEGREES IN 1946.

TIED 2ND LEAST SNOWIEST SPRING ON RECORD (TRACE).

TIED MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGREES (3 - NUMEROUS OCCASSIONS).


...MONTHLY...

WARMEST MARCH ON RECORD (59.7 DEGREES) PREVIOUS 56.0 DEGREES IN 1946.

TIED MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
80 DEGREES (8) WITH 1910.

TIED 3RD LEAST SNOWIEST MARCH ON RECORD (TRACE).

SIXTH WETTEST APRIL ON RECORD (8.05 INCHES).

TIED LEAST SNOWIEST APRIL ON RECORD (0.0 INCHES - NUMEROUS OCCASSIONS).

4TH WARMEST MAY ON RECORD (70.6 DEGREES).

3RD DRIEST MAY ON RECORD (1.31 INCHES).

TIED MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGREES (3 - NUMEROUS OCCASSIONS).


...DAILY...

6 TOTAL RECORD HIGH TEMPERATURES.

7 TOTAL RECORD HIGH MINIMUM TEMPERATURES.

1 DAILY RECORD PRECIPITATION AMOUNT.

$$


THE CLIMATE TEAM






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