Climatological Report (Daily)
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000
CDUS43 KLOT 232148
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
447 PM CDT TUE MAY 23 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 23 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         62    108 PM  92    1977  72    -10       81
                                      1964
                                      1921
  MINIMUM         59    937 AM  37    1917  50      9       48
  AVERAGE         61                        61      0       65

PRECIPITATION (IN)
  TODAY            0.10          1.23 1995   0.13  -0.03     0.00
  MONTH TO DATE    2.35                      2.74  -0.39     3.66
  SINCE MAR 1     12.79                      8.62   4.17     9.80
  SINCE JAN 1     17.18                     12.14   5.04    11.87

SNOWFALL (IN)
  TODAY            0.0           T    1889   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.8                       6.8    1.0      3.7
  SINCE JUL 1     26.1                      36.3  -10.2     31.2

DEGREE DAYS
 HEATING
  TODAY            4                         6     -2        0
  MONTH TO DATE  216                       188     28      225
  SINCE MAR 1   1340                      1521   -181     1407
  SINCE JUL 1   5265                      6255   -990     5415

 COOLING
  TODAY            0                         2     -2        0
  MONTH TO DATE   18                        26     -8        0
  SINCE MAR 1     30                        36     -6        7
  SINCE JAN 1     30                        36     -6        7
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (230)
  AVERAGE WIND SPEED     7.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    87           900 AM
 LOWEST     67          1200 PM
 AVERAGE    77

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        93      1950
                                             1921
 MINIMUM TEMPERATURE (F)   51        34      1992


SUNRISE AND SUNSET
MAY 23 2017...........SUNRISE   524 AM CDT   SUNSET   813 PM CDT
MAY 24 2017...........SUNRISE   523 AM CDT   SUNSET   814 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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