866
CDUS43 KLSX 010745
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
245 AM CDT WED OCT 01 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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 90 213 PM 93 1952 76 14 82
MINIMUM 62 609 AM 36 1949 55 7 65
AVERAGE 76 66 10 74
PRECIPITATION (IN)
YESTERDAY 0.00 2.35 1986 0.09 -0.09 0.00
MONTH TO DATE 0.74 2.96 -2.22 5.75
SINCE SEP 1 0.74 2.96 -2.22 5.75
SINCE JAN 1 32.83 32.63 0.20 37.43
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2015 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 0 3 -3 0
MONTH TO DATE 4 30 -26 3
SINCE SEP 1 4 30 -26 3
SINCE JUL 1 4 31 -27 3
COOLING
YESTERDAY 11 4 7 9
MONTH TO DATE 269 212 57 268
SINCE SEP 1 269 212 57 268
SINCE JAN 1 1790 1662 128 1976
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)
AVERAGE WIND SPEED 4.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 300 AM
LOWEST 29 400 PM
AVERAGE 58
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 2019
MINIMUM TEMPERATURE (F) 55 36 1939
1985
SUNRISE AND SUNSET
OCTOBER 1 2025.......SUNRISE 658 AM CDT SUNSET 644 PM CDT
OCTOBER 2 2025.......SUNRISE 659 AM CDT SUNSET 642 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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