Climatological Report (Daily)
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CDUS43 KLOT 230647
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
146 AM CDT SAT MAY 23 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 22 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         66    218 PM  94    1925  72     -6       70
  MINIMUM         47    503 AM  36    2006  50     -3       53
  AVERAGE         57                        61     -4       62

PRECIPITATION (IN)
  YESTERDAY        0.00          1.62 1983   0.12  -0.12     0.00
  MONTH TO DATE    3.12                      2.61   0.51     4.74
  SINCE MAR 1      7.09                      8.49  -1.40     9.29
  SINCE JAN 1      9.95                     12.01  -2.06    14.59

SNOWFALL (IN)
  YESTERDAY        0.0           T    2011   0.0    0.0      0.0
                                      1917
  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        8                         6      2        3
  MONTH TO DATE  162                       182    -20      184
  SINCE MAR 1   1532                      1515     17     1697
  SINCE JUL 1   6712                      6249    463     7112

 COOLING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE   29                        24      5       35
  SINCE MAR 1     29                        34     -5       36
  SINCE JAN 1     29                        34     -5       36
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (340)
  AVERAGE WIND SPEED     8.5


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    76           400 AM
 LOWEST     23           400 PM
 AVERAGE    50

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        92      1977
                                             1964
                                             1921
 MINIMUM TEMPERATURE (F)   50        37      1917


SUNRISE AND SUNSET
MAY 23 2015...........SUNRISE   524 AM CDT   SUNSET   813 PM CDT
MAY 24 2015...........SUNRISE   524 AM CDT   SUNSET   814 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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