Climatological Report (Daily)
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CDUS43 KLOT 290648
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
144 AM CDT MON MAY 29 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 28 2017...

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)
 YESTERDAY
  MAXIMUM         77    316 PM  95    2012  74      3       81
  MINIMUM         56    326 AM  33    1992  52      4       64
  AVERAGE         67                        63      4       73

PRECIPITATION (IN)
  YESTERDAY        T             1.76 1908   0.12  -0.12     0.13
  MONTH TO DATE    3.28                      3.32  -0.04     4.87
  SINCE MAR 1     13.72                      9.20   4.52    11.01
  SINCE JAN 1     18.11                     12.72   5.39    13.08

SNOWFALL (IN)
  YESTERDAY        0.0           0.0    MM   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
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         5     -5        0
  MONTH TO DATE  232                       213     19      225
  SINCE MAR 1   1356                      1546   -190     1407
  SINCE JUL 1   5281                      6280   -999     5415

 COOLING
  YESTERDAY        2                         2      0        8
  MONTH TO DATE   20                        36    -16       43
  SINCE MAR 1     32                        46    -14       50
  SINCE JAN 1     32                        46    -14       50
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (290)
  AVERAGE WIND SPEED     6.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  THUNDERSTORM
  HAZE


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84           600 AM
 LOWEST     38           700 PM
 AVERAGE    61

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        95      1942
 MINIMUM TEMPERATURE (F)   52        37      1984
                                             1965


SUNRISE AND SUNSET
MAY 29 2017...........SUNRISE   520 AM CDT   SUNSET   818 PM CDT
MAY 30 2017...........SUNRISE   520 AM CDT   SUNSET   819 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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