Climatological Report (Daily)
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CDUS43 KLOT 262142
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT THU OCT 26 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR OCTOBER 26 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         60    231 PM  84    1963  58      2       51
  MINIMUM         36    420 AM  22    1942  40     -4       45
                                      1887
  AVERAGE         48                        49     -1       48

PRECIPITATION (IN)
  TODAY            0.00          1.60 2016   0.11  -0.11     1.60
  MONTH TO DATE    8.70                      2.62   6.08     3.27
  SINCE SEP 1      9.02                      5.83   3.19     5.03
  SINCE JAN 1     40.76                     30.96   9.80    32.01

SNOWFALL (IN)
  TODAY            0.0           1.9  1957   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.2   -0.2      0.0
  SINCE SEP 1      0.0                       0.2   -0.2      0.0
  SINCE JUL 1      T                         0.2   -0.2      0.0

DEGREE DAYS
 HEATING
  TODAY           17                        16      1       17
  MONTH TO DATE  130                       312   -182      203
  SINCE SEP 1    167                       417   -250      226
  SINCE JUL 1    172                       430   -258      226

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE   29                        10     19       24
  SINCE SEP 1    208                       102    106      189
  SINCE JAN 1    991                       842    149     1154
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (150)
  AVERAGE WIND SPEED     9.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85          1200 AM
 LOWEST     46           200 PM
 AVERAGE    66

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        83      1927
 MINIMUM TEMPERATURE (F)   40        24      1942


SUNRISE AND SUNSET
OCTOBER 26 2017.......SUNRISE   717 AM CDT   SUNSET   553 PM CDT
OCTOBER 27 2017.......SUNRISE   718 AM CDT   SUNSET   552 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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