140
CDUS43 KLSX 110827
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CST THU DEC 11 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 10 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 52 518 AM 73 1889 46 6 44
MINIMUM 27 947 PM -4 1917 30 -3 33
AVERAGE 40 38 2 39
PRECIPITATION (IN)
YESTERDAY T 2.15 1971 0.08 -0.08 0.00
MONTH TO DATE 0.29 0.80 -0.51 0.20
SINCE DEC 1 0.29 0.80 -0.51 0.20
SINCE JAN 1 38.31 40.00 -1.69 48.13
SNOWFALL (IN)
YESTERDAY T 4.0 1944 0.1 -0.1 0.0
MONTH TO DATE 3.8 0.8 3.0 0.4
SINCE DEC 1 3.8 0.8 3.0 0.4
SINCE JUL 1 10.2 1.7 8.5 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 25 27 -2 26
MONTH TO DATE 337 258 79 279
SINCE DEC 1 337 258 79 279
SINCE JUL 1 999 1080 -81 813
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 35 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 15.2
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1100 PM
LOWEST 48 1200 AM
AVERAGE 63
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 46 70 1949
1979
MINIMUM TEMPERATURE (F) 30 2 1917
1962
SUNRISE AND SUNSET
DECEMBER 11 2025......SUNRISE 710 AM CST SUNSET 440 PM CST
DECEMBER 12 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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