977
CDUS43 KLSX 190842
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
242 AM CST FRI DEC 19 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 18 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 57 MM 69 1877 44 13 46
1939
MINIMUM 26 MM -4 1884 28 -2 30
1983
AVERAGE 42 36 6 38
PRECIPITATION (IN)
YESTERDAY 0.45 2.78 1924 0.07 0.38 T
MONTH TO DATE 0.74 1.40 -0.66 1.71
SINCE DEC 1 0.74 1.40 -0.66 1.71
SINCE JAN 1 38.76 40.60 -1.84 49.64
SNOWFALL (IN)
YESTERDAY T 5.2 1929 0.1 -0.1 0.0
MONTH TO DATE 3.8 1.5 2.3 0.4
SINCE DEC 1 3.8 1.5 2.3 0.4
SINCE JUL 1 10.2 2.4 7.8 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 29 -6 27
MONTH TO DATE 600 484 116 480
SINCE DEC 1 600 484 116 480
SINCE JUL 1 1262 1306 -44 1014
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 29 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 47 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 16.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
LIGHT SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 1200 PM
LOWEST 57 1100 PM
AVERAGE 77
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 68 1877
1889
1976
MINIMUM TEMPERATURE (F) 28 -7 1884
1983
SUNRISE AND SUNSET
DECEMBER 19 2025......SUNRISE 715 AM CST SUNSET 443 PM CST
DECEMBER 20 2025......SUNRISE 716 AM CST SUNSET 443 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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