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

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CDUS43 KLSX 202234
CLISTL


CLIMATE REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
434 PM CST SAT JAN 20 2018


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

...THE ST. LOUIS CLIMATE SUMMARY FOR JANUARY 20 2018...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         60    309 PM  72    1906  40     20       55
  MINIMUM         30    738 AM -18    1985  24      6       46
  AVERAGE         45                        32     13       51

PRECIPITATION (IN)
  TODAY            0.00          1.63 1894   0.08  -0.08      T
  MONTH TO DATE    0.46                      1.59  -1.13     1.80
  SINCE DEC 1      1.30                      4.43  -3.13     2.93
  SINCE JAN 1      0.46                      1.59  -1.13     1.80

SNOWFALL (IN)
  TODAY            0.0           5.7  2011   0.2   -0.2      0.0
  MONTH TO DATE    1.2                       3.6   -2.4      1.0
  SINCE DEC 1      4.7                       8.0   -3.3      1.2
  SINCE JUL 1      4.7                       8.7   -4.0      1.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           20                        33    -13       14
  MONTH TO DATE  836                       668    168      581
  SINCE DEC 1   1764                      1607    157     1512
  SINCE JUL 1   2466                      2433     33     2003

 COOLING
  TODAY            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    15   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     6.6


SKY COVER
  AVERAGE SKY COVER 0.6



RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           500 AM
 LOWEST     57           400 PM
 AVERAGE    70

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


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   40        75      1986
 MINIMUM TEMPERATURE (F)   24        -8      1970


SUNRISE AND SUNSET
JANUARY 20 2018.......SUNRISE   716 AM CST   SUNSET   510 PM CST
JANUARY 21 2018.......SUNRISE   715 AM CST   SUNSET   511 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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