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 ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
3/1/2012 TO 5/31/2012...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              98   05/26/1953
                        05/31/1934
 LOW               -5   03/05/1960
HIGHEST            95   05/26
LOWEST             27   03/04
AVG. MAXIMUM     75.5              66.5     9.0
AVG. MINIMUM     54.1              47.0     7.1
MEAN             64.8              56.8     8.0
DAYS MAX >= 90     10
DAYS MAX <= 32      0
DAYS MIN <= 32      3
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        23.18   1927
 MINIMUM         3.86   1914
TOTALS          12.33             11.73    0.60
DAYS >= .01        28
DAYS >= .10        24
DAYS >= .50        11
DAYS >= 1.00        4
GREATEST
 24 HR. TOTAL    2.29   04/13 TO 04/14

SNOWFALL (INCHES)
RECORDS
 TOTAL           28.8   1912
 24 HR TOTAL     20.4   03/30/1912 TO 03/31/1912
TOTALS              T               2.7    -2.7
SINCE 7/1         6.3              17.7   -11.4
DAYS >= TRACE       1
DAYS >= 1.0         0
GREATEST
 SNOW DEPTH         0
 24 HR TOTAL        T   03/04 TO 03/04

DEGREE_DAYS
HEATING TOTAL     393               932    -539
 SINCE 7/1       3295              4530   -1235
COOLING TOTAL     406               174     232
 SINCE 1/1        406               174     232
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.7
HIGHEST WIND SPEED/DIRECTION    39/280    DATE  03/02
HIGHEST GUST SPEED/DIRECTION    51/210    DATE  03/06


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             25     HAIL                       4
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 (64.8 DEGREES) PREVIOUS 61.5 DEGREES IN 1991.

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

MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO 90
DEGREES (10).

MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO 80
DEGREES (40).

TIED MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGRRES (9) WITH 1991.


...MONTHLY...

WARMEST MARCH ON RECORD (61.1 DEGREES) PREVIOUS 57.5 DEGREES IN 1910.

TIED 7TH LEAST SNOWIEST MARCH ON RECORD (TRACE).

MOST OCCURRENCES OF MAXIMUM TEMPERATURES GREATER THAN OR EQUAL TO 80 DEGREES
IN THE MONTH OF MARCH (12).

17TH WARMEST APRIL ON RECORD (60.2 DEGREES).

TIED 13TH WETTEST APRIL ON RECORD (7.30 INCHES).

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

WARMEST MAY ON RECORD (73.2 DEGREES) PREVIOUS 73.0 DEGREES IN 1991 AND 1896.

15TH DRIEST MAY ON RECORD (1.70 INCHES).

MOST OCCURRENCES OF MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO 90 DEGREES
IN THE MONTH OF MAY (10).

TIED MOST OCCURRENCES OF MINIMUM TEMPERATURE GREATER THAN OR EQUAL TO
70 DEGREES IN THE MONTH OF MAY (9) WITH 1991.


...DAILY...

10 TOTAL RECORD HIGH TEMPERATURES

12 TOTAL RECORD HIGH MINIMUM TEMPERATURES
...INCLUDING TIED WARMEST MAY MINIMUM TEMPERATURE ON RECORD 76 DEGREES ON
05/27 AND 05/28. TIED WITH 05/30/1991...

1 DAILY RECORD PRECIPITATION AMOUNT.


$$

THE CLIMATE TEAM







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