210
CDUS43 KLSX 222227
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT FRI AUG 22 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 22 2025
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 84 323 PM 103 1936 88 -4 80
MINIMUM 66 605 AM 55 1875 69 -3 57
1950
AVERAGE 75 78 -3 69
PRECIPITATION (IN)
TODAY 0.00 2.01 1983 0.10 -0.10 0.00
MONTH TO DATE 1.48 2.48 -1.00 1.06
SINCE JUN 1 10.44 10.90 -0.46 10.57
SINCE JAN 1 32.09 28.77 3.32 31.36
SNOWFALL (IN)
TODAY 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
TODAY 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
TODAY 10 13 -3 4
MONTH TO DATE 340 318 22 283
SINCE JUN 1 1293 1145 148 1214
SINCE JAN 1 1464 1340 124 1527
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 600 AM
LOWEST 51 300 PM
AVERAGE 72
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 102 1936
1938
1947
MINIMUM TEMPERATURE (F) 68 54 1890
1891
1966
SUNRISE AND SUNSET
AUGUST 22 2025........SUNRISE 622 AM CDT SUNSET 746 PM CDT
AUGUST 23 2025........SUNRISE 623 AM CDT SUNSET 744 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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