168
CDUS43 KLSX 200729
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT MON OCT 20 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR OCTOBER 19 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 65 231 PM 87 1953 68 -3 74
MINIMUM 50 1159 PM 25 1972 48 2 42
AVERAGE 58 58 0 58
PRECIPITATION (IN)
YESTERDAY 0.01 2.87 1885 0.11 -0.10 0.00
MONTH TO DATE 2.06 1.83 0.23 T
SINCE SEP 1 2.80 4.79 -1.99 5.75
SINCE JAN 1 34.89 34.46 0.43 37.43
SNOWFALL (IN)
YESTERDAY 0.0 T 1989 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 7 8 -1 7
MONTH TO DATE 16 104 -88 77
SINCE SEP 1 20 136 -116 80
SINCE JUL 1 20 137 -117 80
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 111 39 72 46
SINCE SEP 1 380 251 129 314
SINCE JAN 1 1901 1701 200 2022
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 13.8
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 100 AM
LOWEST 29 300 PM
AVERAGE 60
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 88 1947
2003
MINIMUM TEMPERATURE (F) 48 26 1930
SUNRISE AND SUNSET
OCTOBER 20 2025.......SUNRISE 716 AM CDT SUNSET 616 PM CDT
OCTOBER 21 2025.......SUNRISE 717 AM CDT SUNSET 614 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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