Climatological Report (Daily)
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CDUS43 KLOT 080632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST WED NOV 8 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 7 2017...

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)
 YESTERDAY
  MAXIMUM         45    227 PM  75    1915  53     -8       66
  MINIMUM         32   1159 PM  13    1991  36     -4       42
  AVERAGE         39                        44     -5       54

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       26                        21      5       11
  MONTH TO DATE  154                       135     19       54
  SINCE SEP 1    442                       637   -195      343
  SINCE JUL 1    447                       650   -203      343

 COOLING
  YESTERDAY        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     9.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


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

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


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


SUNRISE AND SUNSET
NOVEMBER  8 2017......SUNRISE   633 AM CST   SUNSET   437 PM CST
NOVEMBER  9 2017......SUNRISE   634 AM CST   SUNSET   436 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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