National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2017-09-18 07:30 UTC
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755
CDUS43 KLSX 180731
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
230 AM CDT MON SEP 18 2017
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 17 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 82 315 PM 97 1931 80 2 83
MINIMUM 71 1159 PM 37 1937 60 11 70
AVERAGE 77 70 7 77
PRECIPITATION (IN)
YESTERDAY T 2.25 1968 0.10 -0.10 0.00
MONTH TO DATE 0.07 1.75 -1.68 4.68
SINCE SEP 1 0.07 1.75 -1.68 4.68
SINCE JAN 1 30.37 29.50 0.87 33.16
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 SEP 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 1 -1 0
MONTH TO DATE 6 6 0 0
SINCE SEP 1 6 6 0 0
SINCE JUL 1 6 7 -1 0
COOLING
YESTERDAY 12 6 6 12
MONTH TO DATE 110 147 -37 203
SINCE SEP 1 110 147 -37 203
SINCE JAN 1 1712 1546 166 1908
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 6.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1000 PM
LOWEST 55 1200 PM
AVERAGE 73
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 79 97 1925
MINIMUM TEMPERATURE (F) 60 42 1973
SUNRISE AND SUNSET
SEPTEMBER 18 2017.....SUNRISE 646 AM CDT SUNSET 704 PM CDT
SEPTEMBER 19 2017.....SUNRISE 647 AM CDT SUNSET 703 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$