Climatological Report (Daily)
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000
CDUS43 KLOT 120631
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1231 AM CST SUN NOV 12 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR NOVEMBER 11 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         38   1157 PM  74    1964  51    -13       52
                                      1911
  MINIMUM         26    200 AM  15    1950  35     -9       37
  AVERAGE         32                        43    -11       45

PRECIPITATION (IN)
  YESTERDAY        0.00          3.18 1881   0.10  -0.10      T
  MONTH TO DATE    0.75                      1.12  -0.37     0.21
  SINCE SEP 1      9.77                      7.48   2.29     5.74
  SINCE JAN 1     41.51                     32.61   8.90    32.72

SNOWFALL (IN)
  YESTERDAY        0.0           1.9  1995   0.0    0.0      0.0
  MONTH TO DATE    0.1                       0.1    0.0      0.0
  SINCE SEP 1      0.1                       0.3   -0.2      0.0
  SINCE JUL 1      0.1                       0.3   -0.2      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       33                        22     11       20
  MONTH TO DATE  286                       221     65      111
  SINCE SEP 1    574                       723   -149      400
  SINCE JUL 1    579                       736   -157      400

 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    16   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     8.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    64           800 PM
 LOWEST     52           200 PM
 AVERAGE    58

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   50        70      1949
                                             1938
                                             1902
 MINIMUM TEMPERATURE (F)   34         8      1986


SUNRISE AND SUNSET
NOVEMBER 12 2017......SUNRISE   638 AM CST   SUNSET   433 PM CST
NOVEMBER 13 2017......SUNRISE   639 AM CST   SUNSET   432 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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