756
CDUS43 KLSX 120833
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
233 AM CST FRI DEC 12 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 11 2025
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)
YESTERDAY
MAXIMUM 36 247 PM 70 1949 46 -10 41
1979
MINIMUM 28 706 AM 2 1917 30 -2 25
1962
AVERAGE 32 38 -6 33
PRECIPITATION (IN)
YESTERDAY T 1.20 1949 0.07 -0.07 0.00
MONTH TO DATE 0.29 0.87 -0.58 0.20
SINCE DEC 1 0.29 0.87 -0.58 0.20
SINCE JAN 1 38.31 40.07 -1.76 48.13
SNOWFALL (IN)
YESTERDAY T 4.3 1963 0.1 -0.1 0.0
MONTH TO DATE 3.8 0.9 2.9 0.4
SINCE DEC 1 3.8 0.9 2.9 0.4
SINCE JUL 1 10.2 1.8 8.4 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 33 27 6 32
MONTH TO DATE 370 285 85 311
SINCE DEC 1 370 285 85 311
SINCE JUL 1 1032 1107 -75 845
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1904 1713 191 2057
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 900 PM
LOWEST 59 200 PM
AVERAGE 72
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 72 2015
MINIMUM TEMPERATURE (F) 29 -5 1962
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 711 AM CST SUNSET 440 PM CST
DECEMBER 13 2025......SUNRISE 711 AM CST SUNSET 440 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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