860
CDUS43 KLSX 310827
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
227 AM CST WED DEC 31 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 30 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 36 411 PM 72 1965 41 -5 53
MINIMUM 16 732 AM -5 1880 26 -10 46
AVERAGE 26 33 -7 50
PRECIPITATION (IN)
YESTERDAY 0.00 0.98 1973 0.09 -0.09 0.23
MONTH TO DATE 0.74 2.41 -1.67 2.61
SINCE DEC 1 0.74 2.41 -1.67 2.61
SINCE JAN 1 38.76 41.61 -2.85 50.54
SNOWFALL (IN)
YESTERDAY 0.0 10.5 1973 0.2 -0.2 0.0
MONTH TO DATE 3.8 3.1 0.7 0.4
SINCE DEC 1 3.8 3.1 0.7 0.4
SINCE JUL 1 10.2 4.0 6.2 3.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 39 32 7 15
MONTH TO DATE 856 851 5 725
SINCE DEC 1 856 851 5 725
SINCE JUL 1 1518 1673 -155 1259
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 17 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 10.4
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 700 AM
LOWEST 38 400 PM
AVERAGE 59
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 74 1875
1951
MINIMUM TEMPERATURE (F) 25 -10 1976
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 720 AM CST SUNSET 450 PM CST
JANUARY 1 2026.......SUNRISE 720 AM CST SUNSET 451 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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