252
CDUS43 KLOT 212139
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED MAY 21 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 21 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 65 259 PM 92 1977 72 -7 80
1934
MINIMUM 41 459 AM 31 2002 49 -8 44
AVERAGE 53 60 -7 62
PRECIPITATION (IN)
TODAY 0.00 1.16 1974 0.11 -0.11 0.00
MONTH TO DATE 3.21 2.28 0.93 0.72
SINCE MAR 1 8.56 8.61 -0.05 7.87
SINCE JAN 1 14.02 11.99 2.03 11.20
SNOWFALL (IN)
TODAY 0.0 T 2004 0.0 0.0 0.0
1969
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 12 6 6 3
MONTH TO DATE 208 184 24 106
SINCE MAR 1 1595 1555 40 1346
SINCE JUL 1 6286 6401 -115 6028
COOLING
TODAY 0 2 -2 0
MONTH TO DATE 0 24 -24 29
SINCE MAR 1 0 34 -34 38
SINCE JAN 1 0 34 -34 38
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 9.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 500 AM
LOWEST 34 300 PM
AVERAGE 55
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 94 1925
MINIMUM TEMPERATURE (F) 50 36 2006
SUNRISE AND SUNSET
MAY 21 2008...........SUNRISE 525 AM CDT SUNSET 812 PM CDT
MAY 22 2008...........SUNRISE 525 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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