National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2021-12-21 08:38 UTC
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990
CDUS43 KLSX 210838
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
238 AM CST TUE DEC 21 2021
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 20 2021...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2021
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 50 336 PM 71 2013 43 7 51
MINIMUM 25 520 AM -10 1901 28 -3 27
AVERAGE 38 35 3 39
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1962 0.08 -0.08 0.00
MONTH TO DATE 1.60 1.56 0.04 0.97
SINCE DEC 1 1.60 1.56 0.04 0.97
SINCE JAN 1 41.33 40.76 0.57 49.37
SNOWFALL (IN)
YESTERDAY 0.0 3.3 1960 0.1 -0.1 0.0
MONTH TO DATE 0.0 1.7 -1.7 0.3
SINCE DEC 1 0.0 1.7 -1.7 0.3
SINCE JUL 1 T 2.6 -2.6 0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 30 -3 26
MONTH TO DATE 362 543 -181 507
SINCE DEC 1 362 543 -181 507
SINCE JUL 1 1043 1365 -322 1252
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 1 0 1 0
SINCE DEC 1 1 0 1 0
SINCE JAN 1 1977 1713 264 1764
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 700 AM
LOWEST 39 400 PM
AVERAGE 61
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 67 1967
2015
MINIMUM TEMPERATURE (F) 27 -12 1989
SUNRISE AND SUNSET
DECEMBER 21 2021......SUNRISE 716 AM CST SUNSET 443 PM CST
DECEMBER 22 2021......SUNRISE 717 AM CST SUNSET 444 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$