268
CDUS43 KLSX 122233
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
533 PM CDT WED AUG 12 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 12 2026
VALID AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 91 244 PM 106 1881 89 2 92
MINIMUM 80 503 AM 51 1967 70 10 74
AVERAGE 86 80 6 83
PRECIPITATION (IN)
TODAY 0.00 2.68 2019 0.12 -0.12 0.28
MONTH TO DATE 1.79 1.42 0.37 0.31
SINCE JUN 1 15.74 9.84 5.90 9.27
SINCE JAN 1 34.41 27.71 6.70 30.92
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 21 15 6 18
MONTH TO DATE 185 180 5 168
SINCE JUN 1 1018 1007 11 1121
SINCE JAN 1 1290 1202 88 1292
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 100 AM
LOWEST 56 100 PM
AVERAGE 65
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 103 1936
MINIMUM TEMPERATURE (F) 70 50 1964
SUNRISE AND SUNSET
AUGUST 12 2026........SUNRISE 613 AM CDT SUNSET 800 PM CDT
AUGUST 13 2026........SUNRISE 614 AM CDT SUNSET 758 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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