Climatological Report (Daily)
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000
CDUS43 KLOT 240634
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT SUN MAY 24 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 23 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         80    438 PM  92    1977  72      8       69
                                      1964
                                      1921
  MINIMUM         46    505 AM  37    1917  50     -4       48
  AVERAGE         63                        61      2       59

PRECIPITATION (IN)
  YESTERDAY        0.00          1.23 1995   0.13  -0.13     0.00
  MONTH TO DATE    3.12                      2.74   0.38     4.74
  SINCE MAR 1      7.09                      8.62  -1.53     9.29
  SINCE JAN 1      9.95                     12.14  -2.19    14.59

SNOWFALL (IN)
  YESTERDAY        0.0           T    1889   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE MAR 1      7.1                       6.8    0.3     13.7
  SINCE JUL 1     50.7                      36.6   14.1     82.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        2                         6     -4        6
  MONTH TO DATE  164                       188    -24      190
  SINCE MAR 1   1534                      1521     13     1703
  SINCE JUL 1   6714                      6255    459     7118

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   29                        26      3       35
  SINCE MAR 1     29                        36     -7       36
  SINCE JAN 1     29                        36     -7       36
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.5


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    61           400 AM
 LOWEST     23           400 PM
 AVERAGE    42

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


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


SUNRISE AND SUNSET
MAY 24 2015...........SUNRISE   524 AM CDT   SUNSET   814 PM CDT
MAY 25 2015...........SUNRISE   523 AM CDT   SUNSET   815 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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