Climatological Report (Daily)
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000
CDUS43 KLOT 150633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST WED NOV 15 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 14 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         49   1152 PM  78    1971  49      0       60
  MINIMUM         30    401 AM  14    1916  33     -3       41
                                      1900
  AVERAGE         40                        41     -1       51

PRECIPITATION (IN)
  YESTERDAY        0.00          1.19 1926   0.12  -0.12     0.00
  MONTH TO DATE    0.88                      1.45  -0.57     0.21
  SINCE SEP 1      9.90                      7.81   2.09     5.74
  SINCE JAN 1     41.64                     32.94   8.70    32.72

SNOWFALL (IN)
  YESTERDAY        0.0           0.8  1891   0.0    0.0      0.0
  MONTH TO DATE    0.1                       0.2   -0.1      0.0
  SINCE SEP 1      0.1                       0.4   -0.3      0.0
  SINCE JUL 1      0.1                       0.4   -0.3      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       25                        24      1       14
  MONTH TO DATE  367                       291     76      167
  SINCE SEP 1    655                       793   -138      456
  SINCE JUL 1    660                       806   -146      456

 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     S (190)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED    10.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 AM
 LOWEST     61           200 PM
 AVERAGE    77

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   49        71      1971
                                             1955
                                             1953
 MINIMUM TEMPERATURE (F)   33        10      1933


SUNRISE AND SUNSET
NOVEMBER 15 2017......SUNRISE   642 AM CST   SUNSET   430 PM CST
NOVEMBER 16 2017......SUNRISE   643 AM CST   SUNSET   429 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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