Climatological Report (Daily)
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CDUS43 KLOT 220632
CLIORD


CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI MAY 22 2015


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

...THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 21 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         69    402 PM  92    1977  72     -3       86
                                      1934
  MINIMUM         45    513 AM  31    2002  50     -5       63
  AVERAGE         57                        61     -4       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.16 1974   0.13  -0.13     0.01
  MONTH TO DATE    3.12                      2.49   0.63     4.74
  SINCE MAR 1      7.09                      8.37  -1.28     9.29
  SINCE JAN 1      9.95                     11.89  -1.94    14.59

SNOWFALL (IN)
  YESTERDAY        0.0           T    2004   0.0    0.0      0.0
                                      1969
  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        0
  MONTH TO DATE  154                       176    -22      181
  SINCE MAR 1   1524                      1509     15     1694
  SINCE JUL 1   6704                      6243    461     7109

 COOLING
  YESTERDAY        0                         2     -2       10
  MONTH TO DATE   29                        22      7       35
  SINCE MAR 1     29                        32     -3       36
  SINCE JAN 1     29                        32     -3       36
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76          1200 AM
 LOWEST     27           400 PM
 AVERAGE    52

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


THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   72        94      1925
 MINIMUM TEMPERATURE (F)   50        36      2006


SUNRISE AND SUNSET
MAY 22 2015...........SUNRISE   525 AM CDT   SUNSET   812 PM CDT
MAY 23 2015...........SUNRISE   524 AM CDT   SUNSET   813 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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