270
CDUS43 KLOT 100632
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
130 AM CDT SAT MAY 10 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 9 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 58 1046 AM 94 1934 67 -9 77
MINIMUM 41 452 AM 27 1983 45 -4 61
AVERAGE 50 56 -6 69
PRECIPITATION (IN)
YESTERDAY 0.00 3.14 1990 0.11 -0.11 0.13
MONTH TO DATE 2.04 1.00 1.04 0.13
SINCE MAR 1 7.39 7.33 0.06 7.28
SINCE JAN 1 12.85 10.71 2.14 10.61
SNOWFALL (IN)
YESTERDAY 0.0 0.1 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 15 9 6 0
MONTH TO DATE 70 95 -25 41
SINCE MAR 1 1457 1466 -9 1281
SINCE JUL 1 6148 6312 -164 5963
COOLING
YESTERDAY 0 1 -1 4
MONTH TO DATE 0 9 -9 9
SINCE MAR 1 0 19 -19 18
SINCE JAN 1 0 19 -19 18
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 400 AM
LOWEST 36 1100 AM
AVERAGE 59
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1896
MINIMUM TEMPERATURE (F) 45 28 1983
SUNRISE AND SUNSET
MAY 10 2008...........SUNRISE 536 AM CDT SUNSET 801 PM CDT
MAY 11 2008...........SUNRISE 535 AM CDT SUNSET 802 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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