501
CDUS43 KLSX 170732
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT MON AUG 17 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 16 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 92 351 PM 103 1936 89 3 98
MINIMUM 74 1159 PM 56 1964 70 4 78
1992
AVERAGE 83 79 4 88
PRECIPITATION (IN)
YESTERDAY 1.32 2.35 1946 0.10 1.22 0.01
MONTH TO DATE 3.47 1.84 1.63 0.32
SINCE JUN 1 17.42 10.26 7.16 9.28
SINCE JAN 1 36.09 28.13 7.96 30.93
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 18 14 4 23
MONTH TO DATE 266 236 30 244
SINCE JUN 1 1099 1063 36 1197
SINCE JAN 1 1371 1258 113 1368
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 1000 PM
LOWEST 19 800 AM
AVERAGE 58
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 104 1936
MINIMUM TEMPERATURE (F) 70 55 1879
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 617 AM CDT SUNSET 753 PM CDT
AUGUST 18 2026........SUNRISE 618 AM CDT SUNSET 752 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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