Climatological Report (Daily)
Issued by NWS St Louis, MO
Issued by NWS St Louis, MO
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CDUS43 KLSX 120737
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
237 AM CDT SAT SEP 12 2026
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 11 2026...
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)
YESTERDAY
MAXIMUM 83 410 PM 98 2013 83 0 90
MINIMUM 69 523 AM 42 1940 63 6 64
AVERAGE 76 73 3 77
PRECIPITATION (IN)
YESTERDAY T 1.28 1944 0.11 -0.11 0.00
MONTH TO DATE 0.25 1.16 -0.91 0.17
SINCE SEP 1 0.25 1.16 -0.91 0.17
SINCE JAN 1 36.51 30.83 5.68 32.26
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 0 0 0
MONTH TO DATE 0 0 0 4
SINCE SEP 1 0 0 0 4
SINCE JUL 1 0 1 -1 4
COOLING
YESTERDAY 11 8 3 12
MONTH TO DATE 211 105 106 55
SINCE SEP 1 211 105 106 55
SINCE JAN 1 1779 1555 224 1576
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 400 AM
LOWEST 57 200 PM
AVERAGE 77
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1897
1936
1956
MINIMUM TEMPERATURE (F) 62 44 1940
SUNRISE AND SUNSET
SEPTEMBER 12 2026.....SUNRISE 640 AM CDT SUNSET 714 PM CDT
SEPTEMBER 13 2026.....SUNRISE 641 AM CDT SUNSET 713 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$