687
CDUS43 KLOT 290636
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE APR 29 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 28 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 46 723 AM 86 1915 63 -17 73
MINIMUM 35 144 PM 28 1992 41 -6 39
AVERAGE 41 52 -11 56
PRECIPITATION (IN)
YESTERDAY 0.41 2.04 1981 0.12 0.29 0.00
MONTH TO DATE 2.72 3.44 -0.72 3.33
SINCE MAR 1 5.35 6.09 -0.74 6.99
SINCE JAN 1 10.81 9.47 1.34 10.32
SNOWFALL (IN)
YESTERDAY T R T 1950 T 0.0 0.0
1961
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 24 13 11 9
MONTH TO DATE 413 489 -76 536
SINCE MAR 1 1339 1347 -8 1233
SINCE JUL 1 6030 6193 -163 5915
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 7 -7 3
SINCE MAR 1 0 8 -8 9
SINCE JAN 1 0 8 -8 9
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 7.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
SNOW
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 1000 AM
LOWEST 58 600 AM
AVERAGE 75
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 88 1970
1899
MINIMUM TEMPERATURE (F) 42 31 1958
SUNRISE AND SUNSET
APRIL 29 2008.........SUNRISE 550 AM CDT SUNSET 749 PM CDT
APRIL 30 2008.........SUNRISE 548 AM CDT SUNSET 750 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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