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

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551
CDUS43 KLSX 202130
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
429 PM CDT SUN AUG 20 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR AUGUST 20 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         93    258 PM 104    1962  88      5       83
  MINIMUM         74    349 AM  52    1950  69      5       70
  AVERAGE         84                        78      6       77

PRECIPITATION (IN)
  TODAY            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)
  TODAY            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
  TODAY            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
  TODAY           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    17   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED     5.1


SKY COVER
  AVERAGE SKY COVER 0.7



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           300 AM
 LOWEST     46           100 PM
 AVERAGE    64

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       104      2003
 MINIMUM TEMPERATURE (F)   69        50      1950
                                             1940


SUNRISE AND SUNSET
AUGUST 20 2017........SUNRISE   620 AM CDT   SUNSET   749 PM CDT
AUGUST 21 2017........SUNRISE   621 AM CDT   SUNSET   747 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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