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

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080
CXUS53 KLSX 011016
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
516 AM CDT MON SEP 01 2025

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2025 TO 8/31/2025...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            115   07/14/1954
 LOW              43   06/03/1969
HIGHEST           98   08/16
                       08/15
LOWEST            55   08/26
AVG. MAXIMUM    88.1               87.9     0.2
AVG. MINIMUM    70.8               69.2     1.6
MEAN            79.5               78.6     0.9
DAYS MAX >= 90    40
DAYS MAX <= 32     0
DAYS MAX >= 100    0
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       27.22   1915
 MINIMUM        4.09   1926
TOTALS         10.44              11.80   -1.36
DAYS >= .01       25
DAYS >= .10       16
DAYS >= .50        7
DAYS >= 1.00       5
GREATEST
 24 HR. TOTAL   2.15   07/20 TO 07/21

DEGREE DAYS
HEATING TOTAL      0                  5      -5
 SINCE 7/1         0                  1      -1
COOLING TOTAL   1350               1255      95
 SINCE 1/1      1521               1450      71
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    39/110    DATE  08/17
HIGHEST GUST SPEED/DIRECTION    58/030    DATE  08/17


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             26     HAIL                       1
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...

NO RECORDS OF NOTE.


...MONTHLY...

NO RECORDS OF NOTE.


...DAILY...

2 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (06/24 AND 06/23).

RECORD RAINFALL VALUE OF 1.57 INCHES SET ON 07/21. PREVIOUS 1.49 IN
1977.

$$

GOSSELIN