364
CDUS43 KLOT 212138
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
431 PM CDT MON APR 21 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 21 2008
VALID TODAY AS OF 0400 PM LOCAL TIME.
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)
TODAY
MAXIMUM 75 153 PM 88 1985 60 15 77
MINIMUM 42 322 AM 27 1986 39 3 43
AVERAGE 59 50 9 60
PRECIPITATION (IN)
TODAY 0.00 1.08 1973 0.13 -0.13 0.00
MONTH TO DATE 2.01 2.58 -0.57 1.48
SINCE MAR 1 4.64 5.23 -0.59 5.14
SINCE JAN 1 10.10 8.61 1.49 8.47
SNOWFALL (IN)
TODAY 0.0 0.6 1903 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
TODAY 6 15 -9 5
MONTH TO DATE 346 391 -45 465
SINCE MAR 1 1272 1249 23 1162
SINCE JUL 1 5963 6095 -132 5844
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 1 -1 6
SINCE JAN 1 0 1 -1 6
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (160)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 4.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 500 AM
LOWEST 43 200 PM
AVERAGE 63
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 91 1980
MINIMUM TEMPERATURE (F) 40 24 1986
SUNRISE AND SUNSET
APRIL 21 2008.........SUNRISE 601 AM CDT SUNSET 740 PM CDT
APRIL 22 2008.........SUNRISE 600 AM CDT SUNSET 741 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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