National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2017-12-20 07:26 UTC
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999
CDUS43 KLSX 200728
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
126 AM CST WED DEC 20 2017
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR DECEMBER 19 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 53 239 PM 68 1976 41 12 25
1889
1877
MINIMUM 35 249 AM -7 1983 26 9 3
1884
AVERAGE 44 34 10 14
PRECIPITATION (IN)
YESTERDAY 0.00 1.49 1895 0.08 -0.08 0.00
MONTH TO DATE 0.15 1.78 -1.63 0.36
SINCE DEC 1 0.15 1.78 -1.63 0.36
SINCE JAN 1 35.96 39.90 -3.94 40.67
SNOWFALL (IN)
YESTERDAY 0.0 12.0 1973 0.2 -0.2 0.0
MONTH TO DATE T 2.3 -2.3 0.2
SINCE DEC 1 T 2.3 -2.3 0.2
SINCE JUL 1 T 3.0 -3.0 0.2
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 31 -10 51
MONTH TO DATE 441 548 -107 658
SINCE DEC 1 441 548 -107 658
SINCE JUL 1 1143 1374 -231 1149
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1959 1646 313 2162
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.3
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 71 100 PM
AVERAGE 86
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 41 71 2013
MINIMUM TEMPERATURE (F) 26 -10 1901
SUNRISE AND SUNSET
DECEMBER 20 2017......SUNRISE 716 AM CST SUNSET 443 PM CST
DECEMBER 21 2017......SUNRISE 716 AM CST SUNSET 443 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$