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

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742
CDUS43 KLSX 190729
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
228 AM CDT FRI MAY 19 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 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         91    456 PM  94    1996  77     14       69
  MINIMUM         72    514 AM  39    2002  58     14       49
  AVERAGE         82                        67     15       59

PRECIPITATION (IN)
  YESTERDAY        0.00          2.38 1890   0.15  -0.15     0.00
  MONTH TO DATE    3.18                      2.65   0.53     3.11
  SINCE MAR 1     17.79                      9.66   8.13     9.89
  SINCE JAN 1     20.08                     14.30   5.78    11.49

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 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
  YESTERDAY        0                         2     -2        6
  MONTH TO DATE   54                        58     -4       78
  SINCE MAR 1    661                       916   -255      649
  SINCE JUL 1   3394                      4514  -1120     3479

 COOLING
  YESTERDAY       17                         4     13        0
  MONTH TO DATE  105                        54     51       29
  SINCE MAR 1    178                       100     78       89
  SINCE JAN 1    180                       100     80       89
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    11.0


SKY COVER
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           500 AM
 LOWEST     32           400 PM
 AVERAGE    56

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        94      1996
 MINIMUM TEMPERATURE (F)   58        40      1894


SUNRISE AND SUNSET
MAY 19 2017...........SUNRISE   546 AM CDT   SUNSET   811 PM CDT
MAY 20 2017...........SUNRISE   545 AM CDT   SUNSET   812 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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