Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 302229
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
529 PM CDT WED SEP 30 2026
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 30 2026...
VALID AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 92 222 PM 93 1952 76 16 90
MINIMUM 71 532 AM 36 1949 55 16 62
AVERAGE 82 66 16 76
PRECIPITATION (IN)
TODAY 0.00 2.35 1986 0.09 -0.09 0.00
MONTH TO DATE 1.38 2.96 -1.58 0.74
SINCE SEP 1 1.38 2.96 -1.58 0.74
SINCE JAN 1 37.64 32.63 5.01 32.83
SNOWFALL (IN)
TODAY 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
TODAY 0 3 -3 0
MONTH TO DATE 3 30 -27 4
SINCE SEP 1 3 30 -27 4
SINCE JUL 1 3 31 -28 4
COOLING
TODAY 17 4 13 11
MONTH TO DATE 413 212 201 269
SINCE SEP 1 413 212 201 269
SINCE JAN 1 1981 1662 319 1790
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 46 800 AM
LOWEST 36 200 PM
AVERAGE 41
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 94 2019
MINIMUM TEMPERATURE (F) 55 36 1939
1985
SUNRISE AND SUNSET
SEPTEMBER 30 2026.....SUNRISE 657 AM CDT SUNSET 646 PM CDT
OCTOBER 1 2026.......SUNRISE 657 AM CDT SUNSET 644 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$