Climatological Report (Daily)
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CDUS43 KLOT 250632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SAT APR 25 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 24 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         57   1006 AM  87    1990  63     -6       64
                                      1915
  MINIMUM         29R   423 AM  29    1910  42    -13       39
  AVERAGE         43                        52     -9       52

PRECIPITATION (IN)
  YESTERDAY        0.16          2.05 1976   0.11   0.05     0.06
  MONTH TO DATE    2.71                      2.66   0.05     1.36
  SINCE MAR 1      3.81                      5.16  -1.35     3.07
  SINCE JAN 1      6.67                      8.68  -2.01     8.37

SNOWFALL (IN)
  YESTERDAY        0.0           0.9  1910   0.0    0.0      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       22                        13      9       13
  MONTH TO DATE  349                       420    -71      407
  SINCE MAR 1   1259                      1261     -2     1432
  SINCE JUL 1   6439                      5995    444     6847

 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    20   HIGHEST WIND DIRECTION     E (110)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    79           900 PM
 LOWEST     19          1000 AM
 AVERAGE    49

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   63        87      1990
 MINIMUM TEMPERATURE (F)   42        27      1887


SUNRISE AND SUNSET
APRIL 25 2015.........SUNRISE   556 AM CDT   SUNSET   744 PM CDT
APRIL 26 2015.........SUNRISE   555 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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