National Weather Service Text Product
AFOS product CLISTL
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLISTL
Product Timestamp: 2017-09-21 07:31 UTC
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845
CDUS43 KLSX 210732
CLISTL
CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
231 AM CDT THU SEP 21 2017
...................................
...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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 97R 254 PM 96 1940 78 19 93
MINIMUM 73 612 AM 40 1875 59 14 72
AVERAGE 85 69 16 83
PRECIPITATION (IN)
YESTERDAY 0.00 1.40 1876 0.11 -0.11 0.00
MONTH TO DATE 0.27 2.06 -1.79 4.68
SINCE SEP 1 0.27 2.06 -1.79 4.68
SINCE JAN 1 30.57 29.81 0.76 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 2 -2 0
MONTH TO DATE 6 11 -5 0
SINCE SEP 1 6 11 -5 0
SINCE JUL 1 6 12 -6 0
COOLING
YESTERDAY 20 5 15 18
MONTH TO DATE 153 164 -11 240
SINCE SEP 1 153 164 -11 240
SINCE JAN 1 1755 1563 192 1945
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 400 AM
LOWEST 40 300 PM
AVERAGE 64
..........................................................
THE ST. LOUIS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 97 1881
MINIMUM TEMPERATURE (F) 58 40 1983
SUNRISE AND SUNSET
SEPTEMBER 21 2017.....SUNRISE 649 AM CDT SUNSET 700 PM CDT
SEPTEMBER 22 2017.....SUNRISE 649 AM CDT SUNSET 658 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$