689
CDUS43 KLSX 172131
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
431 PM CDT SUN SEP 17 2023
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 17 2023
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 80 133 PM 97 1931 81 -1 89
MINIMUM 57 603 AM 37 1937 60 -3 71
AVERAGE 69 71 -2 80
PRECIPITATION (IN)
TODAY 0.00 2.25 1968 0.09 -0.09 0.00
MONTH TO DATE 0.23 1.76 -1.53 1.53
SINCE SEP 1 0.23 1.76 -1.53 1.53
SINCE JAN 1 25.23 31.43 -6.20 40.65
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 1 -1 0
MONTH TO DATE 0 5 -5 0
SINCE SEP 1 0 5 -5 0
SINCE JUL 1 0 6 -6 0
COOLING
TODAY 4 7 -3 15
MONTH TO DATE 146 149 -3 146
SINCE SEP 1 146 149 -3 146
SINCE JAN 1 1716 1599 117 1840
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 8.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 500 AM
LOWEST 40 100 PM
AVERAGE 65
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THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 97 1925
MINIMUM TEMPERATURE (F) 60 42 1973
SUNRISE AND SUNSET
SEPTEMBER 17 2023.....SUNRISE 645 AM CDT SUNSET 707 PM CDT
SEPTEMBER 18 2023.....SUNRISE 645 AM CDT SUNSET 705 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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