Climatological Report (Daily)
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835
CDUS43 KLOT 202134
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT THU JUL 20 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JULY 20 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         88    130 PM 101    1980  84      4       88
  MINIMUM         69    721 AM  53    1970  64      5       69
  AVERAGE         79                        74      5       79

PRECIPITATION (IN)
  TODAY            1.77          3.03 1978   0.12   1.65     0.00
  MONTH TO DATE    5.35                      2.23   3.12     2.37
  SINCE JUN 1      8.79                      5.68   3.11     5.22
  SINCE JAN 1     26.90                     18.76   8.14    18.86

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           14                         9      5       14
  MONTH TO DATE  193                       179     14      183
  SINCE JUN 1    423                       344     79      399
  SINCE JAN 1    456                       398     58      473
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM
 LOWEST     63          1200 PM
 AVERAGE    77

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


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 2017..........SUNRISE   534 AM CDT   SUNSET   821 PM CDT
JULY 21 2017..........SUNRISE   535 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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