Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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771
CDUS43 KLSX 200730
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT THU AUG 20 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 19 2026...
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)
YESTERDAY
MAXIMUM 79 554 PM 104 1936 88 -9 95
MINIMUM 69 1151 PM 52 1890 67 2 71
1897
AVERAGE 74 77 -3 83
PRECIPITATION (IN)
YESTERDAY 0.24 3.08 1904 0.14 0.10 0.00
MONTH TO DATE 4.26 2.48 1.78 0.07
SINCE JUN 1 15.64 10.84 4.80 13.29
SINCE JAN 1 38.20 27.70 10.50 26.55
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 9 12 -3 18
MONTH TO DATE 258 250 8 255
SINCE JUN 1 971 963 8 989
SINCE JAN 1 1145 1109 36 1080
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 4.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 900 PM
LOWEST 79 100 PM
AVERAGE 90
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 102 1962
2003
MINIMUM TEMPERATURE (F) 66 46 1950
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 627 AM CDT SUNSET 756 PM CDT
AUGUST 21 2026........SUNRISE 628 AM CDT SUNSET 755 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$