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

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CDUS43 KLSX 180741
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
140 AM CST SUN FEB 18 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR FEBRUARY 17 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         43    513 PM  77    1911  46     -3       75
  MINIMUM         28   1135 PM  -6    1903  28      0       50
  AVERAGE         36                        37     -1       63

PRECIPITATION (IN)
  YESTERDAY        0.10          1.46 1938   0.08   0.02     0.00
  MONTH TO DATE    0.53                      1.36  -0.83     0.04
  SINCE DEC 1      2.60                      6.60  -4.00     2.97
  SINCE JAN 1      1.76                      3.76  -2.00     1.84

SNOWFALL (IN)
  YESTERDAY        0.7           2.0  1910   0.1    0.6      0.0
  MONTH TO DATE    0.8                       2.7   -1.9      0.2
  SINCE DEC 1      5.5                      12.7   -7.2      1.4
  SINCE JUL 1      5.5                      13.4   -7.9      1.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       29                        28      1        2
  MONTH TO DATE  551                       515     36      369
  SINCE DEC 1   2570                      2483     87     2130
  SINCE JUL 1   3272                      3309    -37     2621

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     8.2


SKY COVER
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  LIGHT SNOW
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     63          1200 AM
 AVERAGE    82

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


THE ST. LOUIS CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   46        74      1971
 MINIMUM TEMPERATURE (F)   28        -9      1936


SUNRISE AND SUNSET
FEBRUARY 18 2018......SUNRISE   649 AM CST   SUNSET   543 PM CST
FEBRUARY 19 2018......SUNRISE   647 AM CST   SUNSET   544 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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