887
CDUS43 KLSX 172238
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
438 PM CST SUN DEC 17 2023
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 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 46 359 PM 72 1908 44 2 34
MINIMUM 42 136 PM -3 1875 28 14 24
AVERAGE 44 36 8 29
PRECIPITATION (IN)
TODAY 0.00 1.02 1897 0.08 -0.08 0.00
1959
MONTH TO DATE 1.14 1.33 -0.19 1.46
SINCE DEC 1 1.14 1.33 -0.19 1.46
SINCE JAN 1 31.99 40.53 -8.54 48.44
SNOWFALL (IN)
TODAY 0.0 2.0 1897 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.4 -1.4 T
SINCE DEC 1 0.0 1.4 -1.4 T
SINCE JUL 1 0.0 2.3 -2.3 0.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 21 29 -8 36
MONTH TO DATE 320 455 -135 405
SINCE DEC 1 320 455 -135 405
SINCE JUL 1 972 1277 -305 1198
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1942 1713 229 1977
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 500 AM
LOWEST 63 400 PM
AVERAGE 73
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 69 1877
1939
MINIMUM TEMPERATURE (F) 28 -4 1884
1983
SUNRISE AND SUNSET
DECEMBER 17 2023......SUNRISE 714 AM CST SUNSET 442 PM CST
DECEMBER 18 2023......SUNRISE 714 AM CST SUNSET 442 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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