Climatological Report (Daily)
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000
CDUS43 KLOT 092145
CLIORD

CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU APR 9 2015

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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 9 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         69    206 PM  80    1887  56     13       62
  MINIMUM         41    258 AM  20    1989  37      4       33
  AVERAGE         55                        46      9       48

PRECIPITATION (IN)
  TODAY            1.39          1.49 1882   0.12   1.27     0.00
  MONTH TO DATE    1.84                      0.96   0.88     0.55
  SINCE MAR 1      2.94                      3.46  -0.52     2.26
  SINCE JAN 1      5.80                      6.98  -1.18     7.56

SNOWFALL (IN)
  TODAY            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

DEGREE DAYS
 HEATING
  TODAY           10                        19     -9       17
  MONTH TO DATE  147                       181    -34      192
  SINCE MAR 1   1057                      1022     35     1217
  SINCE JUL 1   6237                      5756    481     6632

 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    23   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     78           200 PM
 AVERAGE    86

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


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


SUNRISE AND SUNSET
APRIL  9 2015.........SUNRISE   621 AM CDT   SUNSET   726 PM CDT
APRIL 10 2015.........SUNRISE   620 AM CDT   SUNSET   727 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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