Climatological Report (Daily)
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000
CDUS43 KLOT 252135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT TUE APR 25 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 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         79    259 PM  87    1990  63     16       83
  MINIMUM         52    156 AM  27    1887  42     10       58
  AVERAGE         66                        52     14       71

PRECIPITATION (IN)
  TODAY            0.00          1.95 1902   0.12  -0.12     0.08
  MONTH TO DATE    2.80                      2.78   0.02     1.26
  SINCE MAR 1      6.81                      5.28   1.53     4.60
  SINCE JAN 1     11.20                      8.80   2.40     6.67

SNOWFALL (IN)
  TODAY            0.0           2.5  1910   0.0    0.0       T
  MONTH TO DATE    0.0                       1.2   -1.2      1.1
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY            0                        13    -13        0
  MONTH TO DATE  269                       433   -164      430
  SINCE MAR 1   1054                      1274   -220     1095
  SINCE JUL 1   4979                      6008  -1029     5103

 COOLING
  TODAY            1                         0      1        6
  MONTH TO DATE   10                         0     10        7
  SINCE MAR 1     10                         1      9        7
  SINCE JAN 1     10                         1      9        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SE (140)
  AVERAGE WIND SPEED    11.3


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    72           400 AM
 LOWEST     35           300 PM
 AVERAGE    54

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        89      1986
 MINIMUM TEMPERATURE (F)   42        27      2006


SUNRISE AND SUNSET
APRIL 25 2017.........SUNRISE   556 AM CDT   SUNSET   744 PM CDT
APRIL 26 2017.........SUNRISE   554 AM CDT   SUNSET   745 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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