Climatological Report (Daily)
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770
CDUS43 KLOT 150634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT JUL 15 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 14 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         73    314 PM 100    1995  85    -12       88
                                      1988
  MINIMUM         63   1159 PM  52    1926  64     -1       67
  AVERAGE         68                        74     -6       78

PRECIPITATION (IN)
  YESTERDAY        0.00          1.75 1913   0.12  -0.12     0.00
  MONTH TO DATE    3.10                      1.54   1.56     1.98
  SINCE JUN 1      6.54                      4.99   1.55     4.83
  SINCE JAN 1     24.65                     18.07   6.58    18.47

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        3                         9     -6       13
  MONTH TO DATE  142                       125     17      127
  SINCE JUN 1    372                       290     82      343
  SINCE JAN 1    405                       344     61      417
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    81           400 AM
 LOWEST     61          1100 AM
 AVERAGE    71

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   85       102      1988
 MINIMUM TEMPERATURE (F)   64        52      1967
                                             1945


SUNRISE AND SUNSET
JULY 15 2017..........SUNRISE   530 AM CDT   SUNSET   825 PM CDT
JULY 16 2017..........SUNRISE   530 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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