National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2025-09-19 07:26 UTC
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250
CDUS43 KLSX 190726
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
226 AM CDT FRI SEP 19 2025
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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 94 240 PM 97 1925 80 14 91
MINIMUM 64 544 AM 42 1973 60 4 63
AVERAGE 79 70 9 77
PRECIPITATION (IN)
YESTERDAY 0.00 1.04 2001 0.10 -0.10 0.00
MONTH TO DATE 0.17 1.86 -1.69 0.08
SINCE SEP 1 0.17 1.86 -1.69 0.08
SINCE JAN 1 32.26 31.53 0.73 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 6 -2 3
SINCE SEP 1 4 6 -2 3
SINCE JUL 1 4 7 -3 3
COOLING
YESTERDAY 14 6 8 12
MONTH TO DATE 168 155 13 158
SINCE SEP 1 168 155 13 158
SINCE JAN 1 1689 1605 84 1866
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 1100 PM
LOWEST 28 300 PM
AVERAGE 53
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 96 1925
1931
1955
MINIMUM TEMPERATURE (F) 60 42 1938
SUNRISE AND SUNSET
SEPTEMBER 19 2025.....SUNRISE 647 AM CDT SUNSET 703 PM CDT
SEPTEMBER 20 2025.....SUNRISE 648 AM CDT SUNSET 701 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$