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

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CXUS53 KLSX 020101
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CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
701 PM CST FRI MAR 1 2013

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2012 TO 2/28/2013...

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

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              84   02/01/1911
 LOW              -22   01/05/1884
HIGHEST            75   12/02
LOWEST              9   02/01
AVG. MAXIMUM     46.2              42.4     3.8
AVG. MINIMUM     29.1              26.0     3.1
MEAN             37.7              34.2     3.5
DAYS MAX >= 90      0
DAYS MAX <= 32      9
DAYS MIN <= 32     64
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        15.26   1949
                        1950
 MINIMUM         2.30   1876
                        1877
TOTALS           8.39              7.48    0.91
DAYS >= .01        30
DAYS >= .10        19
DAYS >= .50         5
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.59   01/29 TO 01/30

SNOWFALL (INCHES)
RECORDS
 TOTAL           43.9   1977/1978
 24 HR TOTAL     15.6   02/20/1912 TO 02/21/1912
TOTALS           13.6              14.3    -0.7
SINCE 7/1        13.6              15.0    -1.4
DAYS >= TRACE      23
DAYS >= 1.0         4
GREATEST
 SNOW DEPTH         5   02/23
                        02/22
 24 HR TOTAL      5.7   02/21 TO 02/21

DEGREE_DAYS
HEATING TOTAL    2438              2772    -334
 SINCE 7/1       3317              3598    -281
COOLING TOTAL       8                 0       8
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
AVERAGE WIND SPEED              9.4
HIGHEST WIND SPEED/DIRECTION    45/290    DATE  12/20
HIGHEST GUST SPEED/DIRECTION    67/290    DATE  12/20


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              5     HAIL                       0
FOG W/VIS <= 1/4 MILE     3

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

$$

...SEASONAL...

16TH WARMEST WINTER ON RECORD (37.7 DEGREES).

TIED 5TH LEAST NUMBER OF OCCURRENCES WITH A MAXIMUM TEMPERATURE LESS THAN
OR EQUAL TO 32 DEGREES (9 DAYS).


...MONTHLY...

10TH SNOWIEST FEBRUARY ON RECORD (10.6 INCHES).

TIED 19TH LEAST SNOWIEST JANUARY ON RECORD (0.9 INCHES).

TIED 8TH WARMEST DECEMBER ON RECORD (41.7 DEGREES).

HIGHEST WIND GUST EVER RECORDED IN THE MONTH OF DECEMBER - 67 MPH ON 12/21/2012.


...DAILY...

1 DAILY RECORD HIGH SET.

2 DAILY RECORD HIGH MINIMUMS SET.

1 DAILY PRECIPITATION RECORD SET.


WFO LSX CLIMATE TEAM