Climatological Report (Daily)
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000
CDUS43 KLOT 182137
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
437 PM CDT SAT APR 18 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 18 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         65   1250 AM  89    2002  60      5       51
  MINIMUM         53    547 AM  23    1983  40     13       38
                                      1875
  AVERAGE         59                        50      9       45

PRECIPITATION (IN)
  TODAY            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)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY            6                        16    -10       20
  MONTH TO DATE  234                       334   -100      337
  SINCE MAR 1   1144                      1175    -31     1362
  SINCE JUL 1   6324                      5909    415     6777

 COOLING
  TODAY            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     9.6


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    77           600 AM
 LOWEST     47          1100 AM
 AVERAGE    62

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


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


SUNRISE AND SUNSET
APRIL 18 2015.........SUNRISE   607 AM CDT   SUNSET   736 PM CDT
APRIL 19 2015.........SUNRISE   605 AM CDT   SUNSET   737 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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