Climatological Report (Daily)
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CDUS43 KLOT 272148
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
441 PM CDT MON APR 27 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 27 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         55   1232 PM  87    1986  64     -9       60
  MINIMUM         38    504 AM  29    1945  43     -5       42
  AVERAGE         47                        53     -6       51

PRECIPITATION (IN)
  TODAY            0.00          2.13 1959   0.12  -0.12     0.03
  MONTH TO DATE    2.87                      3.02  -0.15     1.61
  SINCE MAR 1      3.97                      5.52  -1.55     3.32
  SINCE JAN 1      6.83                      9.04  -2.21     8.62

SNOWFALL (IN)
  TODAY            0.0           0.2  1950   0.0    0.0      0.0
  MONTH TO DATE    T                         1.2   -1.2      1.4
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0

DEGREE DAYS
 HEATING
  TODAY           18                        12      6       14
  MONTH TO DATE  407                       458    -51      444
  SINCE MAR 1   1317                      1299     18     1469
  SINCE JUL 1   6497                      6033    464     6884

 COOLING
  TODAY            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    18   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED    11.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    70           200 AM
 LOWEST     43          1200 PM
 AVERAGE    57

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   64        86      1915
 MINIMUM TEMPERATURE (F)   43        28      1992


SUNRISE AND SUNSET
APRIL 27 2015.........SUNRISE   554 AM CDT   SUNSET   746 PM CDT
APRIL 28 2015.........SUNRISE   552 AM CDT   SUNSET   747 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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