370
CDUS43 KLSX 180728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT TUE AUG 18 2026
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 17 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 84 306 PM 104 1936 89 -5 96
MINIMUM 70 1159 PM 55 1879 70 0 76
AVERAGE 77 79 -2 86
PRECIPITATION (IN)
YESTERDAY 0.00 1.89 1939 0.11 -0.11 1.12
MONTH TO DATE 3.47 1.95 1.52 1.44
SINCE JUN 1 17.42 10.37 7.05 10.40
SINCE JAN 1 36.09 28.24 7.85 32.05
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 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 12 14 -2 21
MONTH TO DATE 278 250 28 265
SINCE JUN 1 1111 1077 34 1218
SINCE JAN 1 1383 1272 111 1389
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 100 AM
LOWEST 55 400 PM
AVERAGE 76
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 1936
MINIMUM TEMPERATURE (F) 69 54 1963
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 618 AM CDT SUNSET 752 PM CDT
AUGUST 19 2026........SUNRISE 619 AM CDT SUNSET 750 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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