National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2017-08-21 07:35 UTC
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784 CDUS43 KLSX 210737 CLISTL CLIMATE REPORT NATIONAL WEATHER SERVICE ST LOUIS MO 235 AM CDT MON AUG 21 2017 ................................... ...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 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 93 408 PM 104 1962 88 5 83 MINIMUM 74 349 AM 52 1950 69 5 70 AVERAGE 84 78 6 77 PRECIPITATION (IN) YESTERDAY 0.00 6.85 1915 0.10 -0.10 T MONTH TO DATE 2.18 1.99 0.19 5.21 SINCE JUN 1 6.28 10.38 -4.10 14.87 SINCE JAN 1 29.18 26.75 2.43 27.92 SNOWFALL (IN) YESTERDAY 0.0 0.0 2015 0.0 0.0 0.0 MONTH TO DATE 0.0 0.0 0.0 0.0 SINCE JUN 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 YESTERDAY 0 0 0 0 MONTH TO DATE 0 0 0 0 SINCE JUN 1 0 5 -5 0 SINCE JUL 1 0 0 0 0 COOLING YESTERDAY 19 14 5 12 MONTH TO DATE 237 288 -51 322 SINCE JUN 1 1249 1089 160 1339 SINCE JAN 1 1501 1263 238 1533 .................................................................. WIND (MPH) HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SW (210) HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210) AVERAGE WIND SPEED 5.5 SKY COVER AVERAGE SKY COVER 0.6 WEATHER CONDITIONS THE FOLLOWING WEATHER WAS RECORDED YESTERDAY. NO SIGNIFICANT WEATHER WAS OBSERVED. RELATIVE HUMIDITY (PERCENT) HIGHEST 82 300 AM LOWEST 46 100 PM AVERAGE 64 .......................................................... THE ST. LOUIS CLIMATE NORMALS FOR TODAY NORMAL RECORD YEAR MAXIMUM TEMPERATURE (F) 88 104 2003 MINIMUM TEMPERATURE (F) 69 50 1950 1940 SUNRISE AND SUNSET AUGUST 21 2017........SUNRISE 621 AM CDT SUNSET 747 PM CDT AUGUST 22 2017........SUNRISE 622 AM CDT SUNSET 746 PM CDT - INDICATES NEGATIVE NUMBERS. R INDICATES RECORD WAS SET OR TIED. MM INDICATES DATA IS MISSING. T INDICATES TRACE AMOUNT. $$