427
CDUS43 KLSX 210747
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
247 AM CDT MON JUL 21 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR JULY 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 91 451 PM 110 1934 89 2 78
MINIMUM 75 550 AM 56 1970 69 6 60
2009
AVERAGE 83 79 4 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.21 1898 0.12 -0.12 T
MONTH TO DATE 2.89 2.84 0.05 10.89
SINCE JUN 1 10.80 7.07 3.73 15.40
SINCE JAN 1 24.06 23.93 0.13 31.34
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 18 14 4 4
MONTH TO DATE 268 270 -2 213
SINCE JUN 1 554 564 -10 585
SINCE JAN 1 645 710 -65 773
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1100 PM
LOWEST 61 300 PM
AVERAGE 76
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THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 108 1934
MINIMUM TEMPERATURE (F) 69 50 1944
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 601 AM CDT SUNSET 829 PM CDT
JULY 22 2025..........SUNRISE 602 AM CDT SUNSET 828 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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