931
CDUS43 KLOT 152136
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT THU MAY 15 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 15 2008
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2008
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 57 136 PM 91 1962 70 -13 80
MINIMUM 43 436 AM 35 1895 47 -4 57
AVERAGE 50 58 -8 69
PRECIPITATION (IN)
TODAY 0.00 2.31 1915 0.10 -0.10 0.38
MONTH TO DATE 3.09 1.65 1.44 0.51
SINCE MAR 1 8.44 7.98 0.46 7.66
SINCE JAN 1 13.90 11.36 2.54 10.99
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 T 0.0 0.0
SINCE MAR 1 7.9 7.6 0.3 5.3
SINCE JUL 1 60.3 38.0 22.3 35.6
DEGREE DAYS
HEATING
TODAY 15 8 7 0
MONTH TO DATE 148 145 3 64
SINCE MAR 1 1535 1516 19 1304
SINCE JUL 1 6226 6362 -136 5986
COOLING
TODAY 0 1 -1 4
MONTH TO DATE 0 15 -15 26
SINCE MAR 1 0 25 -25 35
SINCE JAN 1 0 25 -25 35
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 100 AM
LOWEST 35 1000 AM
AVERAGE 64
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 94 1962
MINIMUM TEMPERATURE (F) 47 33 1997
SUNRISE AND SUNSET
MAY 15 2008...........SUNRISE 531 AM CDT SUNSET 806 PM CDT
MAY 16 2008...........SUNRISE 530 AM CDT SUNSET 807 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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