Climatological Report (Daily)
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CDUS43 KLOT 100649
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT FRI APR 10 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 9 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         71    430 PM  80    1887  56     15       62
  MINIMUM         41    258 AM  20    1989  37      4       33
  AVERAGE         56                        46     10       48

PRECIPITATION (IN)
  YESTERDAY        1.41          1.49 1882   0.12   1.29     0.00
  MONTH TO DATE    1.86                      0.96   0.90     0.55
  SINCE MAR 1      2.96                      3.46  -0.50     2.26
  SINCE JAN 1      5.82                      6.98  -1.16     7.56

SNOWFALL (IN)
  YESTERDAY        0.0           1.8  1961   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.7   -0.7      0.0
  SINCE MAR 1      7.1                       6.3    0.8     12.3
  SINCE JUL 1     50.7                      36.1   14.6     80.6
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        9                        19    -10       17
  MONTH TO DATE  146                       181    -35      192
  SINCE MAR 1   1056                      1022     34     1217
  SINCE JUL 1   6236                      5756    480     6632

 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    33   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    13.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG
  FOG W/VISIBILITY <= 1/4 MILE
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     66           900 PM
 AVERAGE    80

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        90      1930
 MINIMUM TEMPERATURE (F)   37        18      1989


SUNRISE AND SUNSET
APRIL 10 2015.........SUNRISE   620 AM CDT   SUNSET   727 PM CDT
APRIL 11 2015.........SUNRISE   618 AM CDT   SUNSET   728 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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