Climatological Report (Daily)
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CDUS43 KLOT 072241
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CST TUE NOV 7 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 7 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         45    227 PM  75    1915  53     -8       66
  MINIMUM         36    659 AM  13    1991  36      0       42
  AVERAGE         41                        44     -3       54

PRECIPITATION (IN)
  TODAY            0.00          1.68 1895   0.10  -0.10     0.00
  MONTH TO DATE    0.75                      0.72   0.03     0.18
  SINCE SEP 1      9.77                      7.08   2.69     5.71
  SINCE JAN 1     41.51                     32.21   9.30    32.69

SNOWFALL (IN)
  TODAY            0.0           2.8  1941   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.1   -0.1      0.0
  SINCE SEP 1      T                         0.3   -0.3      0.0
  SINCE JUL 1      T                         0.3   -0.3      0.0

DEGREE DAYS
 HEATING
  TODAY           24                        21      3       11
  MONTH TO DATE  152                       135     17       54
  SINCE SEP 1    440                       637   -197      343
  SINCE JUL 1    445                       650   -205      343

 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    20   HIGHEST WIND DIRECTION     N (10)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75           700 AM
 LOWEST     57           300 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   52        73      1931
 MINIMUM TEMPERATURE (F)   36        11      1991


SUNRISE AND SUNSET
NOVEMBER  7 2017......SUNRISE   632 AM CST   SUNSET   438 PM CST
NOVEMBER  8 2017......SUNRISE   633 AM CST   SUNSET   437 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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