Climatological Report (Daily)
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000
CDUS43 KLOT 202136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CDT MON JUL 20 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 20 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         85    149 PM 101    1980  84      1       82
  MINIMUM         63    449 AM  53    1970  64     -1       60
  AVERAGE         74                        74      0       71

PRECIPITATION (IN)
  TODAY            0.00          3.03 1978   0.12  -0.12     0.00
  MONTH TO DATE    2.85                      2.23   0.62     2.10
  SINCE JUN 1      9.97                      5.68   4.29     9.91
  SINCE JAN 1     21.46                     18.76   2.70    24.74

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY            9                         9      0        6
  MONTH TO DATE  123                       179    -56      112
  SINCE JUN 1    241                       344   -103      310
  SINCE JAN 1    294                       398   -104      371
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (260)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87          1200 AM
 LOWEST     48           100 PM
 AVERAGE    68

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       103      1901
 MINIMUM TEMPERATURE (F)   64        51      1970


SUNRISE AND SUNSET
JULY 20 2015..........SUNRISE   533 AM CDT   SUNSET   822 PM CDT
JULY 21 2015..........SUNRISE   534 AM CDT   SUNSET   821 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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