Climatological Report (Daily)
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000
CDUS43 KLOT 170635
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT FRI JUL 17 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 16 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         75    346 PM 100    1887  84     -9       72
  MINIMUM         58   1252 AM  49    1945  64     -6       55
  AVERAGE         67                        74     -7       64

PRECIPITATION (IN)
  YESTERDAY        0.97          2.48 1950   0.12   0.85     0.00
  MONTH TO DATE    2.25                      1.77   0.48     2.10
  SINCE JUN 1      9.37                      5.22   4.15     9.91
  SINCE JAN 1     20.86                     18.30   2.56    24.74

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      T                         0.0    0.0      0.0
  SINCE JUL 1      0.0                       0.0    0.0      0.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        1
  MONTH TO DATE   13                         0     13        5
  SINCE JUN 1     52                        48      4       17
  SINCE JUL 1     13                         0     13        5

 COOLING
  YESTERDAY        2                         9     -7        0
  MONTH TO DATE   71                       143    -72       97
  SINCE JUN 1    189                       308   -119      295
  SINCE JAN 1    242                       362   -120      356
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1000 PM
 LOWEST     64           200 PM
 AVERAGE    82

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1942
                                             1887
 MINIMUM TEMPERATURE (F)   64        51      1985


SUNRISE AND SUNSET
JULY 17 2015..........SUNRISE   531 AM CDT   SUNSET   824 PM CDT
JULY 18 2015..........SUNRISE   532 AM CDT   SUNSET   823 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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