Climatological Report (Daily)
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432
CDUS43 KLOT 152235
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CST SUN JAN 15 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 15 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         36    302 PM  60    1949  31      5       43
  MINIMUM         20    627 AM -19    1979  16      4       30
  AVERAGE         28                        24      4       37

PRECIPITATION (IN)
  TODAY            0.00          0.81 1877   0.06  -0.06     0.01
  MONTH TO DATE    0.71                      0.91  -0.20     0.60
  SINCE DEC 1      2.48                      3.16  -0.68     5.47
  SINCE JAN 1      0.71                      0.91  -0.20     0.60

SNOWFALL (IN)
  TODAY            0.0           4.2  1997   0.4   -0.4       T
  MONTH TO DATE    0.4                       5.0   -4.6      5.0
  SINCE DEC 1     18.1                      13.2    4.9      9.5
  SINCE JUL 1     18.1                      14.6    3.5     20.7

DEGREE DAYS
 HEATING
  TODAY           37                        42     -5       28
  MONTH TO DATE  638                       616     22      588
  SINCE DEC 1   1869                      1771     98     1388
  SINCE JUL 1   2698                      3027   -329     2361

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        0
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED     6   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED     6   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     2.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1200 AM
 LOWEST     38           300 PM
 AVERAGE    61

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   31        57      1990
 MINIMUM TEMPERATURE (F)   16       -25      1982


SUNRISE AND SUNSET
JANUARY 15 2017.......SUNRISE   717 AM CST   SUNSET   446 PM CST
JANUARY 16 2017.......SUNRISE   716 AM CST   SUNSET   447 PM CST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$




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