Climatological Report (Daily)
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CDUS43 KLOT 192139
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
439 PM CDT WED APR 19 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 19 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         70    109 AM  86    1985  61      9       57
  MINIMUM         51    259 PM  22    1983  40     11       46
  AVERAGE         61                        50     11       52

PRECIPITATION (IN)
  TODAY            0.01          1.52 1970   0.12  -0.11     0.00
  MONTH TO DATE    2.80                      2.10   0.70     0.69
  SINCE MAR 1      6.81                      4.60   2.21     4.03
  SINCE JAN 1     11.20                      8.12   3.08     6.10

SNOWFALL (IN)
  TODAY            0.0           2.0  1888   0.0    0.0      0.0
  MONTH TO DATE    0.0                       1.1   -1.1      1.1
  SINCE MAR 1      7.8                       6.7    1.1      3.7
  SINCE JUL 1     26.1                      36.2  -10.1     31.2

DEGREE DAYS
 HEATING
  TODAY            4                        15    -11       13
  MONTH TO DATE  212                       349   -137      383
  SINCE MAR 1    997                      1190   -193     1048
  SINCE JUL 1   4922                      5924  -1002     5056

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    9                         0      9        1
  SINCE MAR 1      9                         1      8        1
  SINCE JAN 1      9                         1      8        1
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NE (50)
  AVERAGE WIND SPEED     8.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    78           500 AM
 LOWEST     61          1200 AM
 AVERAGE    70

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


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


SUNRISE AND SUNSET
APRIL 19 2017.........SUNRISE   605 AM CDT   SUNSET   737 PM CDT
APRIL 20 2017.........SUNRISE   603 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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