Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 210728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT FRI AUG 21 2026
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 407 PM 104 1962 88 -3 86
MINIMUM 72 1159 PM 52 1950 69 3 72
AVERAGE 79 78 1 79
PRECIPITATION (IN)
YESTERDAY 0.00 6.85 1915 0.11 -0.11 T
MONTH TO DATE 3.62 2.28 1.34 1.48
SINCE JUN 1 17.57 10.70 6.87 10.44
SINCE JAN 1 36.24 28.57 7.67 32.09
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 4 -4 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 14 14 0 14
MONTH TO DATE 316 292 24 322
SINCE JUN 1 1149 1119 30 1275
SINCE JAN 1 1421 1314 107 1446
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 5.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 57 500 PM
AVERAGE 77
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 104 2003
MINIMUM TEMPERATURE (F) 69 50 1940
1950
SUNRISE AND SUNSET
AUGUST 21 2026........SUNRISE 621 AM CDT SUNSET 748 PM CDT
AUGUST 22 2026........SUNRISE 622 AM CDT SUNSET 746 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$