Climatological Report (Daily)
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000
CDUS43 KLOT 132242
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CST MON NOV 13 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 13 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         40    311 PM  73    1989  50    -10       56
  MINIMUM         31    832 AM   6    1986  34     -3       35
  AVERAGE         36                        42     -6       46

PRECIPITATION (IN)
  TODAY            0.00          1.09 1951   0.11  -0.11     0.00
  MONTH TO DATE    0.88                      1.33  -0.45     0.21
  SINCE SEP 1      9.90                      7.69   2.21     5.74
  SINCE JAN 1     41.64                     32.82   8.82    32.72

SNOWFALL (IN)
  TODAY            0.0           2.0  1974   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.2   -0.1      0.0
  SINCE SEP 1      0.1                       0.4   -0.3      0.0
  SINCE JUL 1      0.1                       0.4   -0.3      0.0

DEGREE DAYS
 HEATING
  TODAY           29                        23      6       19
  MONTH TO DATE  342                       267     75      153
  SINCE SEP 1    630                       769   -139      442
  SINCE JUL 1    635                       782   -147      442

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        3
  SINCE SEP 1    208                       103    105      192
  SINCE JAN 1    991                       843    148     1157
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           800 AM
 LOWEST     79          1200 PM
 AVERAGE    90

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        78      1971
 MINIMUM TEMPERATURE (F)   33        14      1916
                                             1900


SUNRISE AND SUNSET
NOVEMBER 13 2017......SUNRISE   639 AM CST   SUNSET   432 PM CST
NOVEMBER 14 2017......SUNRISE   641 AM CST   SUNSET   431 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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