Climatological Report (Daily)
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CDUS43 KLOT 282136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT FRI JUL 28 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 28 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         79    259 PM 100    1983  84     -5       84
  MINIMUM         69    523 AM  51    1984  64      5       70
  AVERAGE         74                        74      0       77

PRECIPITATION (IN)
  TODAY            0.00          2.91 1906   0.13  -0.13     0.66
  MONTH TO DATE    7.68                      3.28   4.40     6.12
  SINCE JUN 1     11.12                      6.73   4.39     8.97
  SINCE JAN 1     29.23                     19.81   9.42    22.61

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

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      3                        48    -45       13
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            9                         9      0       12
  MONTH TO DATE  281                       251     30      305
  SINCE JUN 1    511                       416     95      521
  SINCE JAN 1    544                       470     74      595
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NE (30)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    14.0


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    79           600 AM
 LOWEST     48           300 PM
 AVERAGE    64

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1913
 MINIMUM TEMPERATURE (F)   64        50      1984


SUNRISE AND SUNSET
JULY 28 2017..........SUNRISE   541 AM CDT   SUNSET   814 PM CDT
JULY 29 2017..........SUNRISE   542 AM CDT   SUNSET   813 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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