Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 170732
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT MON AUG 17 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 16 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 241 PM 103 2007 88 1 98
MINIMUM 73 1159 PM 48 1992 67 6 73
AVERAGE 81 78 3 86
PRECIPITATION (IN)
YESTERDAY 0.48 2.55 1934 0.13 0.35 0.00
MONTH TO DATE 4.01 2.06 1.95 0.07
SINCE JUN 1 15.39 10.42 4.97 13.29
SINCE JAN 1 37.95 27.28 10.67 26.55
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 6 -6 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 13 3 21
MONTH TO DATE 230 214 16 197
SINCE JUN 1 943 927 16 931
SINCE JAN 1 1117 1073 44 1022
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 100 AM
LOWEST 70 500 PM
AVERAGE 82
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 106 1936
MINIMUM TEMPERATURE (F) 67 48 1897
SUNRISE AND SUNSET
AUGUST 17 2026........SUNRISE 625 AM CDT SUNSET 801 PM CDT
AUGUST 18 2026........SUNRISE 625 AM CDT SUNSET 759 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$