Climatological Report (Daily)
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CDUS43 KLOT 280633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT TUE APR 28 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 27 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         55   1232 PM  87    1986  64     -9       60
  MINIMUM         38   1152 PM  29    1945  43     -5       42
  AVERAGE         47                        53     -6       51

PRECIPITATION (IN)
  YESTERDAY        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)
  YESTERDAY        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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       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
  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    20   HIGHEST WIND DIRECTION    NE (40)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    10.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.2


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1100 PM
 LOWEST     43          1200 PM
 AVERAGE    60

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


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


SUNRISE AND SUNSET
APRIL 28 2015.........SUNRISE   552 AM CDT   SUNSET   747 PM CDT
APRIL 29 2015.........SUNRISE   551 AM CDT   SUNSET   748 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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