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

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000
CXUS53 KLSX 020921
CLSSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
421 AM CDT THU SEP 02 2021

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE SEASON, FROM
6/1/2021 TO 8/31/2021...

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            115   07/14/1954
 LOW              43   06/03/1969
HIGHEST          101   06/18
LOWEST            55   06/22
AVG. MAXIMUM    89.0               87.9     1.1
AVG. MINIMUM    70.7               69.2     1.5
MEAN            79.9               78.6     1.3
DAYS MAX >= 90    48
DAYS MAX <= 32     0
DAYS MAX >= 100    2
DAYS MIN <= 32     0
DAYS MIN <= 0      0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       27.22   1915
 MINIMUM        4.09   1926
TOTALS         16.13              11.80    4.33
DAYS >= .01       29
DAYS >= .10       22
DAYS >= .50       12
DAYS >= 1.00       6
GREATEST
 24 HR. TOTAL   3.30   07/09 TO 07/10


DEGREE DAYS
HEATING TOTAL      0                  5      -5
 SINCE 7/1         0                  0       0
COOLING TOTAL   1387               1255     132
 SINCE 1/1      1561               1450     111
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    55/280    DATE  07/09
HIGHEST GUST SPEED/DIRECTION    70/280    DATE  07/09


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM             27     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 6TH LEAST NUMBER OF OCCURRENCES WITH A HIGH TEMPERATURE
LESS THAN 80 DEGREES (4 DAYS).

TIED 4TH MOST NUMBER OF OCCURRENCES WITH A LOW TEMPERATURE GREATER
THAN OR EQUAL TO 70 DEGREES (64 DAYS).


...MONTHLY...

TIED 16TH WARMEST AUGUST ON RECORD (81.1 DEGREES).

TIED 16TH WARMEST JUNE ON RECORD (78.9 DEGREES).


...DAILY...

1 RECORD HIGH TEMPERATURE SET (101 DEGREES ON 06/18. PREVIOUS 100 IN
1953).

1 RECORD HIGH MINIMUM TEMPERATURE SET (81 DEGREES ON 06/18. PREVIOUS
80 IN 2018).


$$

GOSSELIN


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