Climatological Report (Daily)
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000
CDUS43 KLOT 202136
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT MON APR 20 2015


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 20 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         52    522 AM  87    1985  61     -9       79
  MINIMUM         44    127 PM  24    1897  40      4       41
  AVERAGE         48                        51     -3       60

PRECIPITATION (IN)
  TODAY            0.01          2.37 2000   0.11  -0.10     0.00
  MONTH TO DATE    2.55                      2.21   0.34     1.28
  SINCE MAR 1      3.65                      4.71  -1.06     2.99
  SINCE JAN 1      6.51                      8.23  -1.72     8.29

SNOWFALL (IN)
  TODAY            0.0           0.2  1943   0.0    0.0      0.0
  MONTH TO DATE    0.0                       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

DEGREE DAYS
 HEATING
  TODAY           17                        15      2        5
  MONTH TO DATE  261                       364   -103      355
  SINCE MAR 1   1171                      1205    -34     1380
  SINCE JUL 1   6351                      5939    412     6795

 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    29   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (270)
  AVERAGE WIND SPEED    14.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           100 AM
 LOWEST     65           300 PM
 AVERAGE    83

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        88      1985
 MINIMUM TEMPERATURE (F)   41        27      1986


SUNRISE AND SUNSET
APRIL 20 2015.........SUNRISE   604 AM CDT   SUNSET   738 PM CDT
APRIL 21 2015.........SUNRISE   602 AM CDT   SUNSET   739 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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