Climatological Report (Daily)
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CDUS43 KLOT 280634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE JUL 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 27 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         88    302 PM 100    1955  84      4       87
                                      1916
  MINIMUM         67    345 AM  52    1985  64      3       65
  AVERAGE         78                        74      4       76

PRECIPITATION (IN)
  YESTERDAY        0.00          4.71 1966   0.13  -0.13     0.02
  MONTH TO DATE    2.85                      3.15  -0.30     2.13
  SINCE JUN 1      9.97                      6.60   3.37     9.94
  SINCE JAN 1     21.46                     19.68   1.78    24.77

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        0
  MONTH TO DATE   13                         0     13        5
  SINCE JUN 1     52                        48      4       17
  SINCE JUL 1     13                         0     13        5

 COOLING
  YESTERDAY       13                         9      4       11
  MONTH TO DATE  194                       242    -48      162
  SINCE JUN 1    312                       407    -95      360
  SINCE JAN 1    365                       461    -96      421
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     8.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           300 AM
 LOWEST     39           200 PM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1983
 MINIMUM TEMPERATURE (F)   64        51      1984


SUNRISE AND SUNSET
JULY 28 2015..........SUNRISE   541 AM CDT   SUNSET   815 PM CDT
JULY 29 2015..........SUNRISE   542 AM CDT   SUNSET   814 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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