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

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CDUS43 KLSX 212228
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
528 PM CDT SUN MAY 21 2017


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

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 21 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         73    247 PM  93    1941  78     -5       78
  MINIMUM         59    527 AM  38    1883  59      0       52
  AVERAGE         66                        68     -2       65

PRECIPITATION (IN)
  TODAY            0.00          2.00 1957   0.16  -0.16     0.00
  MONTH TO DATE    5.02                      3.11   1.91     3.12
  SINCE MAR 1     19.63                     10.12   9.51     9.90
  SINCE JAN 1     21.92                     14.76   7.16    11.50

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        0
  MONTH TO DATE   54                        64    -10       83
  SINCE MAR 1    661                       922   -261      654
  SINCE JUL 1   3394                      4520  -1126     3484

 COOLING
  TODAY            1                         5     -4        0
  MONTH TO DATE  118                        69     49       30
  SINCE MAR 1    191                       115     76       90
  SINCE JAN 1    193                       115     78       90
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (280)
  AVERAGE WIND SPEED    13.3


SKY COVER
  AVERAGE SKY COVER 0.3



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1200 AM
 LOWEST     41           100 PM
 AVERAGE    56

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        94      1925
 MINIMUM TEMPERATURE (F)   59        37      1883


SUNRISE AND SUNSET
MAY 21 2017...........SUNRISE   544 AM CDT   SUNSET   812 PM CDT
MAY 22 2017...........SUNRISE   544 AM CDT   SUNSET   813 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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