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

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CXUS53 KLSX 030137 CCA
CLSCOU

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
137 PM CST THU MAR 1 2018

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

...THE COLUMBIA CLIMATE SUMMARY FOR THE SEASON, FROM
12/1/2017 TO 2/28/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1890 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH              81   02/24/1930
                        02/01/1911
 LOW              -26   02/12/1899
HIGHEST            75   02/15
LOWEST             -9   01/01
AVG. MAXIMUM     43.1              41.1     2.0
AVG. MINIMUM     23.2              23.1     0.1
MEAN             33.1              32.1     1.0
DAYS MAX >= 90      0
DAYS MAX <= 32     28
DAYS MIN <= 32     67
DAYS MIN <= 0       5

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        12.30   1984/1985
 MINIMUM         1.35   1962/1963
TOTALS           5.44              6.61   -1.17
DAYS >= .01        24
DAYS >= .10         9
DAYS >= .50         3
DAYS >= 1.00        2
GREATEST
 24 HR. TOTAL    1.66   02/20

SNOWFALL (INCHES)
RECORDS
 TOTAL           45.6   2010/2011
 24 HR TOTAL     19.7   01/18/1995 TO 01/19/1995
TOTALS            3.2              15.2   -12.0
SINCE 7/1         3.2              16.1   -12.9
GREATEST
 SNOW DEPTH         2   01/15
 24 HR TOTAL      1.2   01/15

DEGREE_DAYS
HEATING TOTAL    2859              2961    -102
 SINCE 7/1       3639              3946    -307
COOLING TOTAL       0                 0       0
 SINCE 1/1          0                 0       0
.................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    37/240    DATE  01/22
HIGHEST GUST SPEED/DIRECTION    47/240    DATE  01/22


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

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

$$



...SEASONAL...

TIED 5TH MOST OCCURENCES OF A MAXIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 70 DEGREES (4 DAYS).

TIED 7TH MOST OCCURENCES OF A MAXIMUM TEMPERATURE GREATER THAN OR EQUAL TO
50 DEGREES (37 DAYS).

7TH LEAST SNOWIEST WINTER ON RECORD (3.2 INCHES).

TIED 10TH LEAST OCCURENCES WITH ATLEAST ONE INCH OF SNOWFALL (2
DAYS).


...MONTHLY...

20TH WETTEST FEBRUARY ON RECORD (2.99 INCHES).

TIED 4TH MOST OCCURENCES OF MEASUREABLE PRECIPITATION WITHIN THE
MONTH OF FEBRUARY (13 DAYS).

TIED 16TH LEAST SNOWIEST FEBRUARY ON RECORD (0.5 INCHES).

TIED 2ND DRIEST DECEMBER ON RECORD (0.23 INCHES).

LEAST OCCURENCES WITH ATLEAST ONE TENTH OF AN INCH OF PRECIPITATION
WITHIN THE MONTH OF DECEMBER (0 DAYS).


...DAILY...

1 RECORD HIGH TEMPERATURE TIED (70 DEGREES ON 12/04. ALSO SET IN
1933).

1 RECORD LOW TEMPERATURE TIED (-5 DEGREES ON 01/02. ALSO SET IN
2001).

1 RECORD HIGH MINIMUM TEMPERATURES TIED (53 DEGREES ON 02/19. ALSO
SET IN 1994).



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