Climatological Report (Daily)
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CDUS43 KLOT 190632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT SUN APR 19 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 18 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         65   1250 AM  89    2002  60      5       51
  MINIMUM         47    848 PM  23    1983  40      7       38
                                      1875
  AVERAGE         56                        50      6       45

PRECIPITATION (IN)
  YESTERDAY        0.00          3.83 1975   0.11  -0.11     0.00
  MONTH TO DATE    2.08                      1.98   0.10     1.28
  SINCE MAR 1      3.18                      4.48  -1.30     2.99
  SINCE JAN 1      6.04                      8.00  -1.96     8.29

SNOWFALL (IN)
  YESTERDAY        0.0           0.6  2011   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       1.1   -1.1      1.4
  SINCE MAR 1      7.1                       6.7    0.4     13.7
  SINCE JUL 1     50.7                      36.5   14.2     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                        16     -7       20
  MONTH TO DATE  237                       334    -97      337
  SINCE MAR 1   1147                      1175    -28     1362
  SINCE JUL 1   6327                      5909    418     6777

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


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     N (20)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    77           600 AM
 LOWEST     46           500 PM
 AVERAGE    62

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        86      1985
 MINIMUM TEMPERATURE (F)   40        22      1983


SUNRISE AND SUNSET
APRIL 19 2015.........SUNRISE   605 AM CDT   SUNSET   737 PM CDT
APRIL 20 2015.........SUNRISE   604 AM CDT   SUNSET   738 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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