National Weather Service Text Product
AFOS product CLICOU
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLICOU
Product Timestamp: 2025-09-21 07:28 UTC
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647
CDUS43 KLSX 210728
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN SEP 21 2025
...................................
...THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 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 86 249 PM 98 1893 79 7 94
2022
MINIMUM 62 604 AM 36 1918 57 5 70
1991
AVERAGE 74 68 6 82
PRECIPITATION (IN)
YESTERDAY 0.00 1.72 1944 0.12 -0.12 0.00
MONTH TO DATE 1.02 2.57 -1.55 T
SINCE SEP 1 1.02 2.57 -1.55 T
SINCE JAN 1 27.61 31.93 -4.32 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 2 -2 0
MONTH TO DATE 11 15 -4 10
SINCE SEP 1 11 15 -4 10
SINCE JUL 1 12 16 -4 10
COOLING
YESTERDAY 9 5 4 17
MONTH TO DATE 164 138 26 142
SINCE SEP 1 164 138 26 142
SINCE JAN 1 1316 1376 -60 1403
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 500 AM
LOWEST 44 400 PM
AVERAGE 70
..........................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 100 1893
MINIMUM TEMPERATURE (F) 56 35 1897
1983
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 656 AM CDT SUNSET 707 PM CDT
SEPTEMBER 22 2025.....SUNRISE 657 AM CDT SUNSET 705 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$