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

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CDUS43 KLSX 202230
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
530 PM CDT THU APR 20 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR APRIL 20 2017...
VALID TODAY AS OF 0500 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         83    247 PM  89    1987  69     14       71
  MINIMUM         72    439 AM  28    1904  49     23       60
  AVERAGE         78                        59     19       66

PRECIPITATION (IN)
  TODAY            0.00          1.84 1966   0.13  -0.13     0.22
  MONTH TO DATE    2.73                      2.41   0.32     1.79
  SINCE MAR 1      6.97                      5.73   1.24     4.08
  SINCE JAN 1      9.26                     10.37  -1.11     5.68

SNOWFALL (IN)
  TODAY            0.0           5.5  1904   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.4   -0.4      0.0
  SINCE MAR 1      1.8                       2.7   -0.9      0.3
  SINCE JUL 1      3.2                      17.7  -14.5     10.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         8     -8        0
  MONTH TO DATE   86                       210   -124      189
  SINCE MAR 1    553                       798   -245      562
  SINCE JUL 1   3286                      4396  -1110     3392

 COOLING
  TODAY           13                         2     11        1
  MONTH TO DATE   69                        22     47       17
  SINCE MAR 1     75                        29     46       25
  SINCE JAN 1     77                        29     48       25
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED    14.2


SKY COVER
  AVERAGE SKY COVER 0.7



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           200 AM
 LOWEST     43           100 PM
 AVERAGE    54

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   69        89      1965
                                             1902
 MINIMUM TEMPERATURE (F)   49        32      1904


SUNRISE AND SUNSET
APRIL 20 2017.........SUNRISE   618 AM CDT   SUNSET   744 PM CDT
APRIL 21 2017.........SUNRISE   616 AM CDT   SUNSET   744 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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