National Weather Service Weather Forecast Office

• Home
• Site Map
• News
• Organization
• Search for: NWS All NOAA 

000
CXUS53 KLSX 011708
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1108 AM CST WED DEC 01 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
9/1/2021 TO 11/30/2021...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            104   09/01/2011
                       09/01/1984
                       09/04/1954
 LOW               1   11/30/1964
HIGHEST           93   09/14
LOWEST            22   11/26
AVG. MAXIMUM    71.8               68.6     3.2
AVG. MINIMUM    51.9               49.1     2.8
MEAN            61.8               58.9     2.9
DAYS MAX >= 90     7
DAYS MAX <= 32     0
DAYS MAX >= 100    0
DAYS MIN <= 32    11
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       21.50   1984
 MINIMUM        2.36   1875
TOTALS          6.01               9.53   -3.52
DAYS >= .01       23
DAYS >= .10       12
DAYS >= .50        4
DAYS >= 1.00       1
GREATEST
 24 HR. TOTAL   1.70   09/21 TO 09/21

SNOWFALL (INCHES)
RECORDS
 TOTAL          11.3   1951
 24 HR TOTAL     7.7   11/26/1980 TO 11/27/1980
TOTALS             T                0.9    -0.9
SINCE 7/1          T                0.9    -0.9
DAYS >= TRACE      1
DAYS >= 1.0        0
GREATEST
 SNOW DEPTH        0
 24 HR TOTAL       T   11/12 TO 11/12

DEGREE DAYS
HEATING TOTAL    681                822    -141
 SINCE 7/1       681                820    -139
COOLING TOTAL    415                264     151
 SINCE 1/1      1976               1713     263
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    32/270    DATE  10/24
                                32/270          10/25
HIGHEST GUST SPEED/DIRECTION    46/240    DATE  10/11
                                46/260          10/25


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     HAIL                       0
FOG W/VIS <= 1/4 MILE     0

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

...SEASONAL...

NINTH WARMEST METEOROLOGICAL FALL ON RECORD (61.8 DEGREES).

TIED 9TH MOST OCCURRENCES WITH A MAXIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 80 DEGREES (32 DAYS).

TIED 5TH MOST OCCURRENCES WITH A MINIMUM TEMPERATURE GREATER THAN OR
EQUAL TO 60 DEGREES (34 DAYS).


...MONTHLY...

3RD DRIEST NOVEMBER ON RECORD (0.35 INCHES).

12TH WARMEST OCTOBER (63.9 DEGREES).

13TH WARMEST SEPTEMBER (74.9 DEGREES).


...DAILY...

1 RECORD HIGH TEMPERATURE TIED (09/27).

1 RECORD HIGH MINIMUM TEMPERATURE TIED (10/10).

$$