Climatological Report (Daily)
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CDUS43 KLOT 252237
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST SAT NOV 25 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 25 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         55   1218 AM  65    1908  43     12       42
  MINIMUM         41    748 AM   0    1950  28     13       31
  AVERAGE         48                        36     12       37

PRECIPITATION (IN)
  TODAY            0.00          1.06 1908   0.10  -0.10      T
  MONTH TO DATE    1.75                      2.63  -0.88     0.65
  SINCE SEP 1     10.77                      8.99   1.78     6.18
  SINCE JAN 1     42.51                     34.12   8.39    33.16

SNOWFALL (IN)
  TODAY            0.0           5.0  1895   0.1   -0.1      0.0
  MONTH TO DATE    0.1                       0.7   -0.6       T
  SINCE SEP 1      0.1                       0.9   -0.8       T
  SINCE JUL 1      0.1                       0.9   -0.8       T

DEGREE DAYS
 HEATING
  TODAY           17                        29    -12       28
  MONTH TO DATE  643                       585     58      430
  SINCE SEP 1    931                      1087   -156      719
  SINCE JUL 1    936                      1100   -164      719

 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    23   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    14.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           700 AM
 LOWEST     42           400 PM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        67      1990
 MINIMUM TEMPERATURE (F)   28         2      1898


SUNRISE AND SUNSET
NOVEMBER 25 2017......SUNRISE   654 AM CST   SUNSET   423 PM CST
NOVEMBER 26 2017......SUNRISE   655 AM CST   SUNSET   423 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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