670
CDUS43 KLOT 072154
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
440 PM CDT WED MAY 7 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 7 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 70 334 PM 87 1964 67 3 83
1936
MINIMUM 59 957 AM 29 1989 44 15 47
AVERAGE 65 56 9 65
PRECIPITATION (IN)
TODAY 0.39 2.07 1998 0.11 0.28 T
MONTH TO DATE 1.67 0.78 0.89 T
SINCE MAR 1 7.02 7.11 -0.09 7.15
SINCE JAN 1 12.48 10.49 1.99 10.48
SNOWFALL (IN)
TODAY 0.0 T 1947 0.0 0.0 0.0
1960
1989
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 0 10 -10 0
MONTH TO DATE 37 76 -39 41
SINCE MAR 1 1424 1447 -23 1281
SINCE JUL 1 6115 6293 -178 5963
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 7 -7 2
SINCE MAR 1 0 17 -17 11
SINCE JAN 1 0 17 -17 11
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 12.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 AM
LOWEST 56 200 AM
AVERAGE 75
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 91 1963
MINIMUM TEMPERATURE (F) 45 29 1983
SUNRISE AND SUNSET
MAY 7 2008...........SUNRISE 539 AM CDT SUNSET 757 PM CDT
MAY 8 2008...........SUNRISE 538 AM CDT SUNSET 759 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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