468
CDUS43 KLSX 182128
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
428 PM CDT THU SEP 18 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 86 242 PM 98 1893 79 7 89
MINIMUM 66 627 AM 32 1901 57 9 64
AVERAGE 76 68 8 77
PRECIPITATION (IN)
TODAY 0.00 1.73 1905 0.12 -0.12 0.00
MONTH TO DATE 0.67 2.33 -1.66 T
SINCE SEP 1 0.67 2.33 -1.66 T
SINCE JAN 1 27.26 31.69 -4.43 35.14
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 11 11 0 10
SINCE SEP 1 11 11 0 10
SINCE JUL 1 12 12 0 10
COOLING
TODAY 11 5 6 12
MONTH TO DATE 148 128 20 112
SINCE SEP 1 148 128 20 112
SINCE JAN 1 1300 1366 -66 1373
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.5
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 300 AM
LOWEST 48 300 PM
AVERAGE 62
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 98 2022
MINIMUM TEMPERATURE (F) 57 35 1889
1991
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 653 AM CDT SUNSET 712 PM CDT
SEPTEMBER 19 2025.....SUNRISE 654 AM CDT SUNSET 710 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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