459
CDUS43 KLSX 252132
CLICOU
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
432 PM CDT THU SEP 25 2025
...............................
..THE COLUMBIA ASOS CLIMATE SUMMARY FOR SEPTEMBER 25 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 79 259 PM 94 1891 77 2 79
MINIMUM 56 634 AM 37 1928 55 1 55
1989
2001
AVERAGE 68 66 2 67
PRECIPITATION (IN)
TODAY 0.00 1.22 1942 0.13 -0.13 0.00
MONTH TO DATE 2.06 3.21 -1.15 3.52
SINCE SEP 1 2.06 3.21 -1.15 3.52
SINCE JAN 1 28.65 32.57 -3.92 38.66
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 3 -3 0
MONTH TO DATE 11 27 -16 10
SINCE SEP 1 11 27 -16 10
SINCE JUL 1 12 28 -16 10
COOLING
TODAY 3 4 -1 2
MONTH TO DATE 188 158 30 163
SINCE SEP 1 188 158 30 163
SINCE JAN 1 1340 1396 -56 1424
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 200 AM
LOWEST 41 300 PM
AVERAGE 71
......................................................
THE COLUMBIA ASOS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 96 1897
MINIMUM TEMPERATURE (F) 54 33 1893
SUNRISE AND SUNSET
SEPTEMBER 25 2025.....SUNRISE 700 AM CDT SUNSET 700 PM CDT
SEPTEMBER 26 2025.....SUNRISE 700 AM CDT SUNSET 659 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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