Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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924
CDUS43 KLSX 210729
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT THU AUG 21 2025
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 20 2025...
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)
YESTERDAY
MAXIMUM 89 330 PM 102 1962 88 1 80
2003
MINIMUM 69 557 AM 46 1950 66 3 60
AVERAGE 79 77 2 70
PRECIPITATION (IN)
YESTERDAY 0.00 3.38 2010 0.15 -0.15 T
MONTH TO DATE 0.07 2.63 -2.56 2.85
SINCE JUN 1 13.29 10.99 2.30 18.59
SINCE JAN 1 26.55 27.85 -1.30 34.53
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 14 12 2 5
MONTH TO DATE 269 262 7 209
SINCE JUN 1 1003 975 28 941
SINCE JAN 1 1094 1121 -27 1129
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 500 AM
LOWEST 47 300 PM
AVERAGE 72
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 105 2003
MINIMUM TEMPERATURE (F) 66 48 1950
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.
$$