Climatological Report (Daily)
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000
CDUS43 KLOT 232136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
434 PM CDT THU APR 23 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 23 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         54    249 PM  88    1960  62     -8       51
  MINIMUM         32    518 AM  25    1986  41     -9       33
                                      1873
  AVERAGE         43                        52     -9       42

PRECIPITATION (IN)
  TODAY            0.00          1.01 1878   0.11  -0.11     0.02
  MONTH TO DATE    2.55                      2.55   0.00     1.30
  SINCE MAR 1      3.65                      5.05  -1.40     3.01
  SINCE JAN 1      6.51                      8.57  -2.06     8.31

SNOWFALL (IN)
  TODAY            0.0           3.1  1967   0.1   -0.1      0.0
  MONTH TO DATE    T                         1.2   -1.2      1.4
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0

DEGREE DAYS
 HEATING
  TODAY           22                        14      8       23
  MONTH TO DATE  328                       407    -79      394
  SINCE MAR 1   1238                      1248    -10     1419
  SINCE JUL 1   6418                      5982    436     6834

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        1
  SINCE MAR 1      0                         1     -1        1
  SINCE JAN 1      0                         1     -1        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69           100 AM
 LOWEST     22           300 PM
 AVERAGE    46

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        87      1990
                                             1915
 MINIMUM TEMPERATURE (F)   42        29      1910


SUNRISE AND SUNSET
APRIL 23 2015.........SUNRISE   559 AM CDT   SUNSET   741 PM CDT
APRIL 24 2015.........SUNRISE   558 AM CDT   SUNSET   742 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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