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

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000
CXUS53 KLSX 011717
CLMSTL

CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1217 PM CDT FRI SEP 01 2023

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

...THE ST. LOUIS CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2023...

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023

WEATHER         OBSERVED          NORMAL  DEPART   LAST YEAR`S
                VALUE   DATE(S)   VALUE   FROM     VALUE
                                          NORMAL
..............................................................
TEMPERATURE (F)
RECORD
 HIGH            110   08/09/1934
 LOW              47   08/29/1986
                       08/29/1965
HIGHEST          104   08/25                          98
LOWEST            58   08/31                          63
AVG. MAXIMUM    88.1               88.3    -0.2     88.7
AVG. MINIMUM    70.9               69.3     1.6     70.7
MEAN            79.5               78.8     0.7     79.7
DAYS MAX >= 90    10               13.0    -3.0       11
DAYS MAX <= 32     0                0.0     0.0        0
DAYS MIN <= 32     0                0.0     0.0        0
DAYS MIN <= 0      0                0.0     0.0        0

PRECIPITATION (INCHES)
RECORD
 MAXIMUM       14.78   1946
 MINIMUM        0.07   1873
TOTALS          3.60               3.38    0.22     5.78
DAILY AVG.      0.12               0.11    0.01     0.19
DAYS >= .01       13                8.4     4.6        6
DAYS >= .10        7                5.4     1.6        5
DAYS >= .50        3                2.2     0.8        1
DAYS >= 1.00       0                1.0    -1.0        1
GREATEST
 24 HR. TOTAL   0.99   08/04 TO 08/05

DEGREE DAYS
HEATING TOTAL      0                  1      -1
 SINCE 7/1         0                  0       0
COOLING TOTAL    458                428      30
 SINCE 1/1      1570               1450     120
..............................................................

WIND (MPH)
HIGHEST WIND SPEED/DIRECTION    28/360    DATE  08/26
HIGHEST GUST SPEED/DIRECTION    46/320    DATE  08/26

SKY COVER
NUMBER OF DAYS FAIR            9
NUMBER OF DAYS PC             13
NUMBER OF DAYS CLOUDY          9


WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM              8     MIXED PRECIP               0
HEAVY RAIN                2     RAIN                       6
LIGHT RAIN               14     FREEZING RAIN              0
LT FREEZING RAIN          0     HAIL                       0
HEAVY SNOW                0     SNOW                       0
LIGHT SNOW                0     SLEET                      0
FOG                      12     FOG W/VIS <= 1/4 MILE      0
HAZE                      4

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

...MONTHLY...

MOST CONSECUTIVE DAYS WITH A HEAT INDEX OF AT LEAST 110 DEGREES IN
THE MONTH OF AUGUST (6 DAYS FROM 08/20 TO 08/25).

TIED MOST CONSECUTIVE DAYS WITH A LOW TEMPERATURE GREATER THAN OR
EQUAL TO 80 DEGREES (5 DAYS FROM 08/21 TO 08/25. ALSO SET FROM 08/17
TO 08/21/1983).

TIED 4TH MOST DAYS WITH MEASURABLE RAINFALL (13 DAYS).

...DAILY...

RECORD HIGH TEMPERATURE OF 104 DEGREES SET ON 08/25. PREVIOUS 101 IN
1943.

3 RECORD HIGH MINIMUM TEMPERATURES SET OR TIED (08/25, 08/24, AND
08/23).


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