152
CDUS43 KLSX 140728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT SUN SEP 14 2025
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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 96 428 PM 100 1939 82 14 78
MINIMUM 73 616 AM 43 1975 62 11 67
AVERAGE 85 72 13 73
PRECIPITATION (IN)
YESTERDAY 0.00 4.61 1945 0.10 -0.10 0.08
MONTH TO DATE 0.17 1.37 -1.20 0.08
SINCE SEP 1 0.17 1.37 -1.20 0.08
SINCE JAN 1 32.26 31.04 1.22 31.76
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 1 -1 0
MONTH TO DATE 4 1 3 3
SINCE SEP 1 4 1 3 3
SINCE JUL 1 4 2 2 3
COOLING
YESTERDAY 20 8 12 8
MONTH TO DATE 89 121 -32 93
SINCE SEP 1 89 121 -32 93
SINCE JAN 1 1610 1571 39 1801
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WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (230)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 600 AM
LOWEST 31 500 PM
AVERAGE 46
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THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 101 1939
MINIMUM TEMPERATURE (F) 62 46 1949
1974
1996
SUNRISE AND SUNSET
SEPTEMBER 14 2025.....SUNRISE 642 AM CDT SUNSET 711 PM CDT
SEPTEMBER 15 2025.....SUNRISE 643 AM CDT SUNSET 709 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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