816
CDUS43 KLOT 120633
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT MON MAY 12 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 11 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 58 329 PM 89 1982 68 -10 70
MINIMUM 46 726 AM 33 1981 46 0 51
AVERAGE 52 57 -5 61
PRECIPITATION (IN)
YESTERDAY 0.95 3.30 1966 0.11 0.84 0.00
MONTH TO DATE 2.99 1.22 1.77 0.13
SINCE MAR 1 8.34 7.55 0.79 7.28
SINCE JAN 1 13.80 10.93 2.87 10.61
SNOWFALL (IN)
YESTERDAY 0.0 0.2 1966 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 9 4 4
MONTH TO DATE 98 113 -15 45
SINCE MAR 1 1485 1484 1 1285
SINCE JUL 1 6176 6330 -154 5967
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 11 -11 14
SINCE MAR 1 0 21 -21 23
SINCE JAN 1 0 21 -21 23
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 17.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 500 AM
LOWEST 57 300 PM
AVERAGE 72
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 69 92 1956
MINIMUM TEMPERATURE (F) 46 31 1981
SUNRISE AND SUNSET
MAY 12 2008...........SUNRISE 534 AM CDT SUNSET 803 PM CDT
MAY 13 2008...........SUNRISE 533 AM CDT SUNSET 804 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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