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

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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.




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