646
CDUS43 KLOT 090631
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
130 AM CDT FRI MAY 9 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 8 2008
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)
YESTERDAY
MAXIMUM 59 325 PM 91 1963 67 -8 82
MINIMUM 45 1159 PM 29 1983 45 0 54
AVERAGE 52 56 -4 68
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 1880 0.11 -0.11 0.00
MONTH TO DATE 2.04 0.89 1.15 T
SINCE MAR 1 7.39 7.22 0.17 7.15
SINCE JAN 1 12.85 10.60 2.25 10.48
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1923 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
YESTERDAY 13 10 3 0
MONTH TO DATE 55 86 -31 41
SINCE MAR 1 1442 1457 -15 1281
SINCE JUL 1 6133 6303 -170 5963
COOLING
YESTERDAY 0 1 -1 3
MONTH TO DATE 0 8 -8 5
SINCE MAR 1 0 18 -18 14
SINCE JAN 1 0 18 -18 14
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 12.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 200 AM
LOWEST 40 100 PM
AVERAGE 56
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 94 1934
MINIMUM TEMPERATURE (F) 45 27 1983
SUNRISE AND SUNSET
MAY 9 2008...........SUNRISE 537 AM CDT SUNSET 800 PM CDT
MAY 10 2008...........SUNRISE 536 AM CDT SUNSET 801 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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