Climatological Report (Daily)
Issued by NWS St Louis, MO

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CDUS43 KLSX 200733
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
232 AM CDT WED SEP 20 2017


...................................

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 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         89    351 PM  96    1955  79     10       88
                                      1931
                                      1925
  MINIMUM         66    554 AM  42    1938  59      7       62
  AVERAGE         78                        69      9       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.82 1954   0.10  -0.10     0.00
  MONTH TO DATE    0.27                      1.95  -1.68     4.68
  SINCE SEP 1      0.27                      1.95  -1.68     4.68
  SINCE JAN 1     30.57                     29.70   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                         2     -2        0
  MONTH TO DATE    6                         9     -3        0
  SINCE SEP 1      6                         9     -3        0
  SINCE JUL 1      6                        10     -4        0

 COOLING
  YESTERDAY       13                         6      7       10
  MONTH TO DATE  133                       159    -26      222
  SINCE SEP 1    133                       159    -26      222
  SINCE JAN 1   1735                      1558    177     1927
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (160)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     4.6


SKY COVER
  AVERAGE SKY COVER 0.3


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  FOG W/VISIBILITY <= 1/4 MILE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     44           300 PM
 AVERAGE    72

..........................................................


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        96      1940
 MINIMUM TEMPERATURE (F)   59        40      1875


SUNRISE AND SUNSET
SEPTEMBER 20 2017.....SUNRISE   648 AM CDT   SUNSET   701 PM CDT
SEPTEMBER 21 2017.....SUNRISE   649 AM CDT   SUNSET   700 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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