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

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CDUS43 KLSX 190730
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
229 AM CDT TUE SEP 19 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR SEPTEMBER 18 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         85    258 PM  97    1925  79      6       83
  MINIMUM         65    528 AM  42    1973  60      5       65
  AVERAGE         75                        69      6       74

PRECIPITATION (IN)
  YESTERDAY        0.20          1.04 2001   0.10   0.10     0.00
  MONTH TO DATE    0.27                      1.85  -1.58     4.68
  SINCE SEP 1      0.27                      1.85  -1.58     4.68
  SINCE JAN 1     30.57                     29.60   0.97    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                         7     -1        0
  SINCE SEP 1      6                         7     -1        0
  SINCE JUL 1      6                         8     -2        0

 COOLING
  YESTERDAY       10                         6      4        9
  MONTH TO DATE  120                       153    -33      212
  SINCE SEP 1    120                       153    -33      212
  SINCE JAN 1   1722                      1552    170     1917
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     4.9


SKY COVER
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 PM
 LOWEST     55          1200 PM
 AVERAGE    78

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        96      1955
                                             1931
                                             1925
 MINIMUM TEMPERATURE (F)   59        42      1938


SUNRISE AND SUNSET
SEPTEMBER 19 2017.....SUNRISE   647 AM CDT   SUNSET   703 PM CDT
SEPTEMBER 20 2017.....SUNRISE   648 AM CDT   SUNSET   701 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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