Climatological Report (Daily)
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000
CDUS43 KLOT 012150
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
449 PM CDT WED NOV 1 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR NOVEMBER 1 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         44    249 PM  81    1950  56    -12       75
  MINIMUM         36    434 AM  21    1879  38     -2       61
  AVERAGE         40                        47     -7       68

PRECIPITATION (IN)
  TODAY            T             2.74 1985   0.11  -0.11      T
  MONTH TO DATE    T                         0.11  -0.11      T
  SINCE SEP 1      9.02                      6.47   2.55     5.53
  SINCE JAN 1     40.76                     31.60   9.16    32.51

SNOWFALL (IN)
  TODAY           MM             1.1  1954   0.0   MM        0.0
  MONTH TO DATE   MM                         0.0   MM        0.0
  SINCE SEP 1      T                         0.2   -0.2      0.0
  SINCE JUL 1      T                         0.2   -0.2      0.0

DEGREE DAYS
 HEATING
  TODAY           25                        18      7        0
  MONTH TO DATE   25                        18      7        0
  SINCE SEP 1    313                       520   -207      289
  SINCE JUL 1    318                       533   -215      289

 COOLING
  TODAY            0                         0      0        3
  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     S (170)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     S (170)
  AVERAGE WIND SPEED     9.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  LIGHT RAIN
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70          1200 AM
 LOWEST     64           400 AM
 AVERAGE    67

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   55        78      1974
 MINIMUM TEMPERATURE (F)   38        14      1951


SUNRISE AND SUNSET
NOVEMBER  1 2017......SUNRISE   725 AM CDT   SUNSET   545 PM CDT
NOVEMBER  2 2017......SUNRISE   726 AM CDT   SUNSET   544 PM CDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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