Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 210728
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT FRI AUG 21 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR AUGUST 20 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 84 327 PM 102 1962 88 -4 89
2003
MINIMUM 69 1159 PM 46 1950 66 3 69
AVERAGE 77 77 0 79
PRECIPITATION (IN)
YESTERDAY 0.00 3.38 2010 0.15 -0.15 0.00
MONTH TO DATE 4.26 2.63 1.63 0.07
SINCE JUN 1 15.64 10.99 4.65 13.29
SINCE JAN 1 38.20 27.85 10.35 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 12 12 0 14
MONTH TO DATE 270 262 8 269
SINCE JUN 1 983 975 8 1003
SINCE JAN 1 1157 1121 36 1094
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 61 200 PM
AVERAGE 81
..........................................................
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 2026........SUNRISE 628 AM CDT SUNSET 755 PM CDT
AUGUST 22 2026........SUNRISE 629 AM CDT SUNSET 754 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$