Climatological Report (Daily)
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851
CDUS43 KLOT 172150
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
450 PM CDT WED AUG 17 2016


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR AUGUST 17 2016...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         88    228 PM  98    1988  82      6       88
                                      1947
  MINIMUM         70    506 AM  48    1976  63      7       68
  AVERAGE         79                        73      6       78

PRECIPITATION (IN)
  TODAY            0.00          2.60 1979   0.17  -0.17     0.12
  MONTH TO DATE    1.00                      2.81  -1.81     1.02
  SINCE JUN 1     10.08                      9.96   0.12    10.99
  SINCE JAN 1     23.72                     23.04   0.68    22.48

SNOWFALL (IN)
  TODAY            0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0       T
  SINCE JUN 1      0.0                       0.0    0.0       T
  SINCE JUL 1      0.0                       0.0    0.0       T

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1     13                        52    -39       52
  SINCE JUL 1      0                         4     -4       13

 COOLING
  TODAY           14                         8      6       13
  MONTH TO DATE  218                       143     75      178
  SINCE JUN 1    766                       591    175      542
  SINCE JAN 1    840                       645    195      595
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED     7.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     46           300 PM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   82        98      1947
 MINIMUM TEMPERATURE (F)   63        49      1963


SUNRISE AND SUNSET
AUGUST 17 2016........SUNRISE   602 AM CDT   SUNSET   748 PM CDT
AUGUST 18 2016........SUNRISE   603 AM CDT   SUNSET   747 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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