Climatological Report (Daily)
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CDUS43 KLOT 250632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT THU MAY 25 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 24 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         62    326 PM  93    1950  73    -11       86
                                      1921
  MINIMUM         53    438 AM  34    1992  51      2       60
  AVERAGE         58                        62     -4       73

PRECIPITATION (IN)
  YESTERDAY        0.17          1.62 1927   0.11   0.06     0.00
  MONTH TO DATE    2.75                      2.85  -0.10     3.66
  SINCE MAR 1     13.19                      8.73   4.46     9.80
  SINCE JAN 1     17.58                     12.25   5.33    11.87

SNOWFALL (IN)
  YESTERDAY        0.0           T    1925   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        7                         5      2        0
  MONTH TO DATE  225                       193     32      225
  SINCE MAR 1   1349                      1526   -177     1407
  SINCE JUL 1   5274                      6260   -986     5415

 COOLING
  YESTERDAY        0                         2     -2        8
  MONTH TO DATE   18                        28    -10        8
  SINCE MAR 1     30                        38     -8       15
  SINCE JAN 1     30                        38     -8       15
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     N (20)
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    NE (30)
  AVERAGE WIND SPEED    14.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           300 AM
 LOWEST     69           300 PM
 AVERAGE    81

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1911
 MINIMUM TEMPERATURE (F)   51        32      1992


SUNRISE AND SUNSET
MAY 25 2017...........SUNRISE   523 AM CDT   SUNSET   815 PM CDT
MAY 26 2017...........SUNRISE   522 AM CDT   SUNSET   816 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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