758
CDUS43 KLOT 250634
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT FRI APR 25 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 24 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 74 1252 PM 87 1990 61 13 68
1915
MINIMUM 54 119 AM 29 1910 40 14 44
AVERAGE 64 51 13 56
PRECIPITATION (IN)
YESTERDAY 0.07 2.05 1976 0.12 -0.05 0.30
MONTH TO DATE 2.08 2.96 -0.88 1.78
SINCE MAR 1 4.71 5.61 -0.90 5.44
SINCE JAN 1 10.17 8.99 1.18 8.77
SNOWFALL (IN)
YESTERDAY 0.0 0.9 1910 T 0.0 0.0
MONTH TO DATE T 1.6 -1.6 3.0
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 1 14 -13 9
MONTH TO DATE 351 435 -84 478
SINCE MAR 1 1277 1293 -16 1175
SINCE JUL 1 5968 6139 -171 5857
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 3 -3 3
SINCE MAR 1 0 4 -4 9
SINCE JAN 1 0 4 -4 9
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WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 16.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 800 PM
LOWEST 22 900 AM
AVERAGE 56
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 62 87 1990
MINIMUM TEMPERATURE (F) 41 27 1887
SUNRISE AND SUNSET
APRIL 25 2008.........SUNRISE 555 AM CDT SUNSET 744 PM CDT
APRIL 26 2008.........SUNRISE 554 AM CDT SUNSET 745 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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