581
CDUS43 KLSX 122235
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
535 PM CDT SUN OCT 12 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 12 2025
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 81 243 PM 89 1879 71 10 88
1890
MINIMUM 54 542 AM 31 1987 51 3 64
AVERAGE 68 61 7 76
PRECIPITATION (IN)
TODAY 0.00 1.82 1929 0.10 -0.10 0.00
MONTH TO DATE T 1.11 -1.11 0.00
SINCE SEP 1 0.74 4.07 -3.33 5.75
SINCE JAN 1 32.83 33.74 -0.91 37.43
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 6 -6 0
MONTH TO DATE 9 55 -46 9
SINCE SEP 1 13 87 -74 12
SINCE JUL 1 13 88 -75 12
COOLING
TODAY 3 2 1 11
MONTH TO DATE 72 31 41 44
SINCE SEP 1 341 243 98 312
SINCE JAN 1 1862 1693 169 2020
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (150)
AVERAGE WIND SPEED 7.6
SKY COVER
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 400 AM
LOWEST 36 200 PM
AVERAGE 65
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 90 1899
MINIMUM TEMPERATURE (F) 50 33 1917
1977
1979
SUNRISE AND SUNSET
OCTOBER 12 2025.......SUNRISE 708 AM CDT SUNSET 627 PM CDT
OCTOBER 13 2025.......SUNRISE 709 AM CDT SUNSET 626 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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