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

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CXUS53 KLSX 021639
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1016 AM CST SUN DEC 2 2018

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2018 TO 11/30/2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018

WEATHER         OBSERVED          NORMAL  DEPART
                 VALUE   DATE(S)  VALUE   FROM
                                          NORMAL
................................................
TEMPERATURE (F)
RECORD
 HIGH             104   09/01/2011
                        09/01/1984
                        09/04/1954
 LOW                1   11/30/1964
HIGHEST            95   09/20
LOWEST             17   11/14
AVG. MAXIMUM     66.6              68.0    -1.4
AVG. MINIMUM     48.8              49.2    -0.4
MEAN             57.7              58.6    -0.9
DAYS MAX >= 90     14
DAYS MAX <= 32      4
DAYS MIN <= 32     18
DAYS MIN <= 0       0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM        21.50   1984
 MINIMUM         2.36   1875
TOTALS           7.94             10.37   -2.43
DAYS >= .01        27
DAYS >= .10        18
DAYS >= .50         6
DAYS >= 1.00        1
GREATEST
 24 HR. TOTAL    1.56   09/07 TO 09/08

SNOWFALL (INCHES)
RECORDS
 TOTAL           11.3   1951
 24 HR TOTAL      7.7   11/26/1980 TO 11/27/1980
TOTALS            5.2               0.7     4.5
SINCE 7/1         5.2               0.7     4.5
DAYS >= TRACE       9
DAYS >= 1.0         3
GREATEST
 SNOW DEPTH         2   11/16
                        11/15
 24 HR TOTAL      2.9   11/15 TO 11/15

DEGREE_DAYS
HEATING TOTAL    1062               825     237
COOLING TOTAL     426               247     179
.................................................

WIND (MPH)
AVERAGE WIND SPEED              8.1
HIGHEST WIND SPEED/DIRECTION    30/280    DATE  10/28
HIGHEST GUST SPEED/DIRECTION    44/310    DATE  10/20


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     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...

6TH MOST OCCURRENCES WITH A MAXIMUM TEMPERATURE LESS
THAN 60 DEGREES (38 DAYS).

TIES 8TH SNOWIEST FALL ON RECORD (5.2 INCHES).

TIED MOST OCCURRENCES WITH AT LEAST ONE INCH OF SNOWFALL
(3 DAYS).

...MONTHLY...

6TH COLDEST NOVEMBER ON RECORD (38.8 DEGREES).

TIED 8TH SNOWIEST NOVEMBER ON RECORD (5.2 INCHES).

...DAILY...

1 RECORD HIGH TEMPERATURE TIED (90 DEGREES ON 10/06, ALSO SET IN 1944).

1 RECORD LOW TEMPERATURE TIED (18 DEGREES ON 11/10, ALSO SET IN 1973).

2 RECORD HIGH MINIMUM TEMPERATURES SET (10/09 AND 10/03).

4 SNOWFALL RECORDS SET OR TIED (11/15, 11/12, 11/09 AND 11/08).

$$



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