Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 120729
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT FRI SEP 12 2025
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 11 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 93 326 PM 100 1936 82 11 88
MINIMUM 63 623 AM 39 1940 60 3 59
AVERAGE 78 71 7 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.69 1975 0.13 -0.13 0.00
MONTH TO DATE 0.43 1.45 -1.02 T
SINCE SEP 1 0.43 1.45 -1.02 T
SINCE JAN 1 27.02 30.81 -3.79 35.14
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 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
YESTERDAY 0 1 -1 0
MONTH TO DATE 11 2 9 10
SINCE SEP 1 11 2 9 10
SINCE JUL 1 12 3 9 10
COOLING
YESTERDAY 13 7 6 9
MONTH TO DATE 45 88 -43 42
SINCE SEP 1 45 88 -43 42
SINCE JAN 1 1197 1326 -129 1303
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 200 AM
LOWEST 33 400 PM
AVERAGE 60
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 100 1897
MINIMUM TEMPERATURE (F) 60 39 1902
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 648 AM CDT SUNSET 721 PM CDT
SEPTEMBER 13 2025.....SUNRISE 649 AM CDT SUNSET 720 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$