Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 212229
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT THU AUG 21 2025
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 21 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 84 237 PM 105 2003 87 -3 76
MINIMUM 70 742 AM 48 1950 66 4 59
1956
AVERAGE 77 77 0 68
PRECIPITATION (IN)
TODAY 0.00 2.91 1944 0.14 -0.14 0.00
MONTH TO DATE 0.07 2.77 -2.70 2.85
SINCE JUN 1 13.29 11.13 2.16 18.59
SINCE JAN 1 26.55 27.99 -1.44 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 12 12 0 3
MONTH TO DATE 281 274 7 212
SINCE JUN 1 1015 987 28 944
SINCE JAN 1 1106 1133 -27 1132
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 46 100 PM
AVERAGE 73
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 104 1936
MINIMUM TEMPERATURE (F) 66 53 1956
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 628 AM CDT SUNSET 755 PM CDT
AUGUST 22 2025........SUNRISE 629 AM CDT SUNSET 753 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$