Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 182226
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
526 PM CDT MON AUG 18 2025
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 18 2025...
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1890 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 96 107 PM 106 1936 88 8 85
MINIMUM 71 528 AM 47 1890 67 4 66
AVERAGE 84 77 7 76
PRECIPITATION (IN)
TODAY 0.00 4.06 2002 0.14 -0.14 0.00
MONTH TO DATE 0.07 2.34 -2.27 2.85
SINCE JUN 1 13.29 10.70 2.59 18.59
SINCE JAN 1 26.55 27.56 -1.01 34.53
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 19 12 7 11
MONTH TO DATE 237 238 -1 195
SINCE JUN 1 971 951 20 927
SINCE JAN 1 1062 1097 -35 1115
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 200 AM
LOWEST 48 100 PM
AVERAGE 71
..........................................................
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 2025........SUNRISE 626 AM CDT SUNSET 759 PM CDT
AUGUST 19 2025........SUNRISE 627 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.
$$