Climatological Report (Daily)
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000
CDUS43 KLOT 092237
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CST THU NOV 9 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 9 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         46   1100 AM  74    1999  52     -6       58
  MINIMUM         34   1217 AM  14    1991  35     -1       41
  AVERAGE         40                        44     -4       50

PRECIPITATION (IN)
  TODAY            0.00          2.69 1966   0.10  -0.10     0.00
  MONTH TO DATE    0.75                      0.92  -0.17     0.21
  SINCE SEP 1      9.77                      7.28   2.49     5.74
  SINCE JAN 1     41.51                     32.41   9.10    32.72

SNOWFALL (IN)
  TODAY            0.0           1.3  1926   0.0    0.0      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           25                        21      4       15
  MONTH TO DATE  206                       177     29       78
  SINCE SEP 1    494                       679   -185      367
  SINCE JUL 1    499                       692   -193      367

 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 (320)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    75          1200 AM
 LOWEST     37           300 PM
 AVERAGE    56

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   51        71      1949
 MINIMUM TEMPERATURE (F)   35        18      1986


SUNRISE AND SUNSET
NOVEMBER  9 2017......SUNRISE   634 AM CST   SUNSET   436 PM CST
NOVEMBER 10 2017......SUNRISE   636 AM CST   SUNSET   435 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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