991
CDUS43 KLSX 181840
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
1240 PM CST MON DEC 18 2023
...............................
..THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 17 2023
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)
YESTERDAY
MAXIMUM 46 402 PM 72 1908 44 2 34
MINIMUM 34 1024 PM -3 1875 28 6 24
AVERAGE 40 36 4 29
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 25 29 -4 36
MONTH TO DATE 324 455 -131 405
SINCE DEC 1 324 455 -131 405
SINCE JUL 1 976 1277 -301 1198
COOLING
YESTERDAY 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
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 7.3
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 1000 PM
LOWEST 63 400 PM
AVERAGE 73
......................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 69 1877
1939
MINIMUM TEMPERATURE (F) 28 -4 1884
1983
SUNRISE AND SUNSET
DECEMBER 18 2023......SUNRISE 714 AM CST SUNSET 442 PM CST
DECEMBER 19 2023......SUNRISE 715 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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