Climatological Report (Daily)
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000
CDUS43 KLOT 302238
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
436 PM CST FRI JAN 30 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR JANUARY 30 2015...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         30    246 PM  55    1988  32     -2       33
  MINIMUM         19    732 AM -15    1966  17      2       20
                                      1951
  AVERAGE         25                        24      1       27

PRECIPITATION (IN)
  TODAY            T             0.97 1939   0.05  -0.05      T
  MONTH TO DATE    1.29                      1.68  -0.39     2.81
  SINCE DEC 1      2.08                      3.93  -1.85     4.75
  SINCE JAN 1      1.29                      1.68  -0.39     2.81

SNOWFALL (IN)
  TODAY            T            14.9  1939   0.4   -0.4      0.4
  MONTH TO DATE   12.6                      10.4    2.2     33.5
  SINCE DEC 1     12.6                      18.9   -6.3     47.7
  SINCE JUL 1     15.5                      20.3   -4.8     48.6

DEGREE DAYS
 HEATING
  TODAY           40                        41     -1       38
  MONTH TO DATE 1279                      1238     41     1479
  SINCE DEC 1   2294                      2393    -99     2762
  SINCE JUL 1   3737                      3649     88     4045

 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    20   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62           700 AM
 LOWEST     42          1100 AM
 AVERAGE    52

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   32        65      1989
 MINIMUM TEMPERATURE (F)   17       -12      1985
                                             1899


SUNRISE AND SUNSET
JANUARY 30 2015.......SUNRISE   706 AM CST   SUNSET   504 PM CST
JANUARY 31 2015.......SUNRISE   705 AM CST   SUNSET   505 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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