Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 202227
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT SUN SEP 20 2026
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 20 2026...
VALID AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 90 229 PM 98 1893 79 11 86
2022
MINIMUM 69 535 AM 36 1918 57 12 62
1991
AVERAGE 80 68 12 74
PRECIPITATION (IN)
TODAY T 1.72 1944 0.12 -0.12 0.00
MONTH TO DATE 1.55 2.57 -1.02 1.02
SINCE SEP 1 1.55 2.57 -1.02 1.02
SINCE JAN 1 39.75 31.93 7.82 27.61
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 SEP 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 2 -2 0
MONTH TO DATE 0 15 -15 11
SINCE SEP 1 0 15 -15 11
SINCE JUL 1 0 16 -16 12
COOLING
TODAY 15 5 10 9
MONTH TO DATE 330 138 192 164
SINCE SEP 1 330 138 192 164
SINCE JAN 1 1609 1376 233 1316
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (300)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 800 AM
LOWEST 47 100 PM
AVERAGE 67
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 100 1893
MINIMUM TEMPERATURE (F) 56 35 1897
1983
SUNRISE AND SUNSET
SEPTEMBER 20 2026.....SUNRISE 655 AM CDT SUNSET 709 PM CDT
SEPTEMBER 21 2026.....SUNRISE 656 AM CDT SUNSET 707 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$