Climatological Report (Daily)
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000
CDUS43 KLOT 240636
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
135 AM CDT MON JUL 24 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 23 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         90    130 PM  99    1914  84      6       91
  MINIMUM         70   1159 PM  51    1947  64      6       70
  AVERAGE         80                        74      6       81

PRECIPITATION (IN)
  YESTERDAY        0.21          6.86 2011   0.13   0.08     1.11
  MONTH TO DATE    7.65                      2.62   5.03     4.52
  SINCE JUN 1     11.09                      6.07   5.02     7.37
  SINCE JAN 1     29.20                     19.15  10.05    21.01

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       15                         9      6       16
  MONTH TO DATE  239                       206     33      232
  SINCE JUN 1    469                       371     98      448
  SINCE JAN 1    502                       425     77      522
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    36   HIGHEST GUST DIRECTION     N (350)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     38          1200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84       105      1934
 MINIMUM TEMPERATURE (F)   64        53      2000


SUNRISE AND SUNSET
JULY 24 2017..........SUNRISE   538 AM CDT   SUNSET   818 PM CDT
JULY 25 2017..........SUNRISE   539 AM CDT   SUNSET   817 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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