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

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CDUS43 KLSX 172232
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
527 PM CDT WED MAY 17 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 17 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         84    359 PM  94    1996  77      7       54
  MINIMUM         74    444 AM  40    1973  58     16       49
  AVERAGE         79                        67     12       52

PRECIPITATION (IN)
  TODAY            T             3.95 1995   0.15  -0.15     0.51
  MONTH TO DATE    3.18                      2.50   0.68     3.11
  SINCE MAR 1     17.79                      9.51   8.28     9.89
  SINCE JAN 1     20.08                     14.15   5.93    11.49

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 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                         2     -2       13
  MONTH TO DATE   54                        56     -2       72
  SINCE MAR 1    661                       914   -253      643
  SINCE JUL 1   3394                      4512  -1118     3473

 COOLING
  TODAY           14                         4     10        0
  MONTH TO DATE   88                        50     38       29
  SINCE MAR 1    161                        96     65       89
  SINCE JAN 1    163                        96     67       89
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    32   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    44   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED    17.1


SKY COVER
  AVERAGE SKY COVER 0.8



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    60           200 AM
 LOWEST     49           900 AM
 AVERAGE    55

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        94      1996
 MINIMUM TEMPERATURE (F)   58        39      2002


SUNRISE AND SUNSET
MAY 17 2017...........SUNRISE   547 AM CDT   SUNSET   809 PM CDT
MAY 18 2017...........SUNRISE   547 AM CDT   SUNSET   810 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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