Climatological Report (Daily)
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000
CDUS43 KLOT 252135
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
435 PM CDT THU MAY 25 2017


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

...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR MAY 25 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         69    248 PM  94    1911  73     -4       86
  MINIMUM         54    539 AM  32    1992  51      3       64
  AVERAGE         62                        62      0       75

PRECIPITATION (IN)
  TODAY            0.00          2.52 1879   0.12  -0.12     0.95
  MONTH TO DATE    2.75                      2.97  -0.22     4.61
  SINCE MAR 1     13.19                      8.85   4.34    10.75
  SINCE JAN 1     17.58                     12.37   5.21    12.82

SNOWFALL (IN)
  TODAY            0.0           T    1924   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            3                         5     -2        0
  MONTH TO DATE  228                       198     30      225
  SINCE MAR 1   1352                      1531   -179     1407
  SINCE JUL 1   5277                      6265   -988     5415

 COOLING
  TODAY            0                         2     -2       10
  MONTH TO DATE   18                        30    -12       18
  SINCE MAR 1     30                        40    -10       25
  SINCE JAN 1     30                        40    -10       25
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED    11.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    89           400 AM
 LOWEST     55           300 PM
 AVERAGE    72

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


THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        94      1911
 MINIMUM TEMPERATURE (F)   51        34      1983


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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