Climatological Report (Daily)
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000
CDUS43 KLOT 132141
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT THU APR 13 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR APRIL 13 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         59    259 PM  82    1941  58      1       56
                                      1887
  MINIMUM         44    700 AM  21    1950  38      6       34
  AVERAGE         52                        48      4       45

PRECIPITATION (IN)
  TODAY            0.19          1.33 1983   0.11   0.08     0.00
  MONTH TO DATE    2.05                      1.41   0.64     0.69
  SINCE MAR 1      6.06                      3.91   2.15     4.03
  SINCE JAN 1     10.45                      7.43   3.02     6.10

SNOWFALL (IN)
  TODAY            0.0           1.2  1907   0.1   -0.1      0.0
  MONTH TO DATE    0.0                       0.9   -0.9      1.1
  SINCE MAR 1      7.8                       6.5    1.3      3.7
  SINCE JUL 1     26.1                      36.0   -9.9     31.2

DEGREE DAYS
 HEATING
  TODAY           13                        17     -4       20
  MONTH TO DATE  184                       252    -68      335
  SINCE MAR 1    969                      1093   -124     1000
  SINCE JUL 1   4894                      5827   -933     5008

 COOLING
  TODAY            0                         0      0        0
  MONTH TO DATE    2                         0      2        0
  SINCE MAR 1      2                         1      1        0
  SINCE JAN 1      2                         1      1        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (110)
  AVERAGE WIND SPEED     9.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           700 AM
 LOWEST     29          1200 AM
 AVERAGE    56

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   58        85      2003
 MINIMUM TEMPERATURE (F)   38        23      1943
                                             1907


SUNRISE AND SUNSET
APRIL 13 2017.........SUNRISE   614 AM CDT   SUNSET   731 PM CDT
APRIL 14 2017.........SUNRISE   612 AM CDT   SUNSET   732 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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