Climatological Report (Daily)
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000
CDUS43 KLOT 160638
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
138 AM CDT SUN JUL 16 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 15 2017...

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)
 YESTERDAY
  MAXIMUM         81    322 PM 102    1988  85     -4       75
  MINIMUM         60    334 AM  52    1967  64     -4       60
                                      1945
  AVERAGE         71                        74     -3       68

PRECIPITATION (IN)
  YESTERDAY        0.00          1.88 1899   0.11  -0.11     0.14
  MONTH TO DATE    3.10                      1.65   1.45     2.12
  SINCE JUN 1      6.54                      5.10   1.44     4.97
  SINCE JAN 1     24.65                     18.18   6.47    18.61

SNOWFALL (IN)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        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
  YESTERDAY        6                         9     -3        3
  MONTH TO DATE  148                       134     14      130
  SINCE JUN 1    378                       299     79      346
  SINCE JAN 1    411                       353     58      420
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION    SW (240)
  AVERAGE WIND SPEED     5.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           400 AM
 LOWEST     50          1200 PM
 AVERAGE    70

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       100      1887
 MINIMUM TEMPERATURE (F)   64        49      1945


SUNRISE AND SUNSET
JULY 16 2017..........SUNRISE   530 AM CDT   SUNSET   824 PM CDT
JULY 17 2017..........SUNRISE   531 AM CDT   SUNSET   824 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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