Climatological Report (Daily)
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000
CDUS43 KLOT 110640
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
140 AM CDT SAT APR 11 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 10 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         62    223 PM  90    1930  57      5       66
  MINIMUM         39   1159 PM  18    1989  37      2       41
  AVERAGE         51                        47      4       54

PRECIPITATION (IN)
  YESTERDAY        T             2.53 1922   0.11  -0.11      T
  MONTH TO DATE    1.86                      1.07   0.79     0.55
  SINCE MAR 1      2.96                      3.57  -0.61     2.26
  SINCE JAN 1      5.82                      7.09  -1.27     7.56

SNOWFALL (IN)
  YESTERDAY        0.0           0.8  1973   0.0    0.0      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       14                        18     -4       11
  MONTH TO DATE  160                       199    -39      203
  SINCE MAR 1   1070                      1040     30     1228
  SINCE JUL 1   6250                      5774    476     6643

 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    35   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    46   HIGHEST GUST DIRECTION     W (250)
  AVERAGE WIND SPEED    17.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    82           300 AM
 LOWEST     37           300 PM
 AVERAGE    60

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        90      1930
 MINIMUM TEMPERATURE (F)   37        25      1989
                                             1973
                                             1882


SUNRISE AND SUNSET
APRIL 11 2015.........SUNRISE   618 AM CDT   SUNSET   728 PM CDT
APRIL 12 2015.........SUNRISE   616 AM CDT   SUNSET   729 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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