Climatological Report (Daily)
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000
CDUS43 KLOT 252141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT TUE JUL 25 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 25 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         82    208 PM 101    1940  84     -2       89
  MINIMUM         61    457 AM  53    1911  64     -3       72
  AVERAGE         72                        74     -2       81

PRECIPITATION (IN)
  TODAY            0.00          1.22 1993   0.14  -0.14     0.00
  MONTH TO DATE    7.65                      2.89   4.76     5.46
  SINCE JUN 1     11.09                      6.34   4.75     8.31
  SINCE JAN 1     29.20                     19.42   9.78    21.95

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            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
  TODAY            7                         9     -2       16
  MONTH TO DATE  251                       224     27      265
  SINCE JUN 1    481                       389     92      481
  SINCE JAN 1    514                       443     71      555
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED     6.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


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

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        99      1955
 MINIMUM TEMPERATURE (F)   64        53      1991
                                             1962


SUNRISE AND SUNSET
JULY 25 2017..........SUNRISE   539 AM CDT   SUNSET   817 PM CDT
JULY 26 2017..........SUNRISE   540 AM CDT   SUNSET   816 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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