Climatological Report (Daily)
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000
CDUS43 KLOT 230653
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
145 AM CDT THU APR 23 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 22 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         46    520 PM  91    1980  62    -16       61
  MINIMUM         34   1128 PM  24    1986  41     -7       36
  AVERAGE         40                        51    -11       49

PRECIPITATION (IN)
  YESTERDAY        T             1.55 1981   0.12  -0.12     0.00
  MONTH TO DATE    2.55                      2.44   0.11     1.28
  SINCE MAR 1      3.65                      4.94  -1.29     2.99
  SINCE JAN 1      6.51                      8.46  -1.95     8.29

SNOWFALL (IN)
  YESTERDAY        T             0.2  1893   0.0    0.0      0.0
  MONTH TO DATE    T                         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       25                        14     11       16
  MONTH TO DATE  306                       393    -87      371
  SINCE MAR 1   1216                      1234    -18     1396
  SINCE JUL 1   6396                      5968    428     6811

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


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    13.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT SNOW


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           200 AM
 LOWEST     41           400 PM
 AVERAGE    56

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   62        88      1960
 MINIMUM TEMPERATURE (F)   41        25      1986
                                             1873


SUNRISE AND SUNSET
APRIL 23 2015.........SUNRISE   559 AM CDT   SUNSET   741 PM CDT
APRIL 24 2015.........SUNRISE   558 AM CDT   SUNSET   742 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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