Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 190735
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
235 AM CDT WED AUG 19 2026
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 18 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 88 333 PM 106 1936 88 0 97
MINIMUM 68 546 AM 54 1963 69 -1 78
AVERAGE 78 79 -1 88
PRECIPITATION (IN)
YESTERDAY 0.00 2.10 1902 0.11 -0.11 0.00
MONTH TO DATE 3.47 2.06 1.41 1.44
SINCE JUN 1 17.42 10.48 6.94 10.40
SINCE JAN 1 36.09 28.35 7.74 32.05
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 13 14 -1 23
MONTH TO DATE 291 264 27 288
SINCE JUN 1 1124 1091 33 1241
SINCE JAN 1 1396 1286 110 1412
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 48 500 PM
AVERAGE 72
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 105 1936
1962
MINIMUM TEMPERATURE (F) 69 55 1953
SUNRISE AND SUNSET
AUGUST 19 2026........SUNRISE 619 AM CDT SUNSET 750 PM CDT
AUGUST 20 2026........SUNRISE 620 AM CDT SUNSET 749 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$