Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 182128
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
428 PM CDT TUE AUG 18 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 18 2026...
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 84 1214 PM 106 1936 88 -4 96
MINIMUM 63 440 AM 47 1890 67 -4 71
AVERAGE 74 77 -3 84
PRECIPITATION (IN)
TODAY 0.00 4.06 2002 0.14 -0.14 0.00
MONTH TO DATE 4.01 2.34 1.67 0.07
SINCE JUN 1 15.39 10.70 4.69 13.29
SINCE JAN 1 37.95 27.56 10.39 26.55
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 6 -6 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 9 12 -3 19
MONTH TO DATE 249 238 11 237
SINCE JUN 1 962 951 11 971
SINCE JAN 1 1136 1097 39 1062
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 4.9
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 500 AM
LOWEST 56 1200 PM
AVERAGE 78
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 104 1936
MINIMUM TEMPERATURE (F) 67 52 1890
1897
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 625 AM CDT SUNSET 759 PM CDT
AUGUST 19 2026........SUNRISE 626 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.
$$