486
CDUS43 KLSX 140839
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
239 AM CST SUN DEC 14 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 13 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 34 408 AM 73 1948 45 -11 35
MINIMUM 9 1159 PM 1 1903 29 -20 21
AVERAGE 22 37 -15 28
PRECIPITATION (IN)
YESTERDAY T 2.40 1901 0.08 -0.08 0.00
MONTH TO DATE 0.29 1.03 -0.74 0.20
SINCE DEC 1 0.29 1.03 -0.74 0.20
SINCE JAN 1 38.31 40.23 -1.92 48.13
SNOWFALL (IN)
YESTERDAY T 7.6 2000 0.1 -0.1 0.0
MONTH TO DATE 3.8 1.0 2.8 0.4
SINCE DEC 1 3.8 1.0 2.8 0.4
SINCE JUL 1 10.2 1.9 8.3 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 43 28 15 37
MONTH TO DATE 444 341 103 384
SINCE DEC 1 444 341 103 384
SINCE JUL 1 1106 1163 -57 918
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
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 11.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 500 AM
LOWEST 68 1200 PM
AVERAGE 79
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 70 1975
MINIMUM TEMPERATURE (F) 29 -2 1901
SUNRISE AND SUNSET
DECEMBER 14 2025......SUNRISE 712 AM CST SUNSET 441 PM CST
DECEMBER 15 2025......SUNRISE 713 AM CST SUNSET 441 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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