Climatological Report (Daily)
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CDUS43 KLOT 300633
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT TUE MAY 30 2017


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 29 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    209 PM  95    1942  74      3       79
  MINIMUM         55   1140 PM  37    1984  52      3       63
                                      1965
  AVERAGE         66                        63      3       71

PRECIPITATION (IN)
  YESTERDAY        0.00          3.45 1981   0.12  -0.12     0.00
  MONTH TO DATE    3.28                      3.44  -0.16     4.87
  SINCE MAR 1     13.72                      9.32   4.40    11.01
  SINCE JAN 1     18.11                     12.84   5.27    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                         4     -4        0
  MONTH TO DATE  232                       217     15      225
  SINCE MAR 1   1356                      1550   -194     1407
  SINCE JUL 1   5281                      6284  -1003     5415

 COOLING
  YESTERDAY        1                         2     -1        6
  MONTH TO DATE   21                        38    -17       49
  SINCE MAR 1     33                        48    -15       56
  SINCE JAN 1     33                        48    -15       56
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (250)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    11.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    72           400 AM
 LOWEST     27           200 PM
 AVERAGE    50

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   74        93      1953
                                             1942
 MINIMUM TEMPERATURE (F)   53        35      1873


SUNRISE AND SUNSET
MAY 30 2017...........SUNRISE   520 AM CDT   SUNSET   819 PM CDT
MAY 31 2017...........SUNRISE   519 AM CDT   SUNSET   820 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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