Climatological Report (Daily)
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000
CDUS43 KLOT 200648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
148 AM CDT MON APR 20 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 19 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         68   1247 PM  86    1985  61      7       66
  MINIMUM         48   1158 PM  22    1983  40      8       37
  AVERAGE         58                        50      8       52

PRECIPITATION (IN)
  YESTERDAY        0.46          1.52 1970   0.12   0.34     0.00
  MONTH TO DATE    2.54                      2.10   0.44     1.28
  SINCE MAR 1      3.64                      4.60  -0.96     2.99
  SINCE JAN 1      6.50                      8.12  -1.62     8.29

SNOWFALL (IN)
  YESTERDAY        0.0           2.0  1888   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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                        15     -8       13
  MONTH TO DATE  244                       349   -105      350
  SINCE MAR 1   1154                      1190    -36     1375
  SINCE JUL 1   6334                      5924    410     6790

 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    16   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED     9.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           900 PM
 LOWEST     30           200 AM
 AVERAGE    65

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   61        87      1985
 MINIMUM TEMPERATURE (F)   40        24      1897


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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