Climatological Report (Daily)
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000
CDUS43 KLOT 240637
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
137 AM CDT FRI APR 24 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 23 2015...

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)
 YESTERDAY
  MAXIMUM         55    410 PM  88    1960  62     -7       51
  MINIMUM         32    518 AM  25    1986  41     -9       33
                                      1873
  AVERAGE         44                        52     -8       42

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       21                        14      7       23
  MONTH TO DATE  327                       407    -80      394
  SINCE MAR 1   1237                      1248    -11     1419
  SINCE JUL 1   6417                      5982    435     6834

 COOLING
  YESTERDAY        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     8.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


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

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


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


SUNRISE AND SUNSET
APRIL 24 2015.........SUNRISE   558 AM CDT   SUNSET   742 PM CDT
APRIL 25 2015.........SUNRISE   556 AM CDT   SUNSET   744 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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