727
CDUS43 KLOT 302140
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
433 PM CDT WED APR 30 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 30 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 57 259 PM 91 1942 64 -7 67
MINIMUM 31 207 AM 30 1873 42 -11 51
AVERAGE 44 53 -9 59
PRECIPITATION (IN)
TODAY 0.00 2.22 2003 0.12 -0.12 0.01
MONTH TO DATE 2.72 3.68 -0.96 3.49
SINCE MAR 1 5.35 6.33 -0.98 7.15
SINCE JAN 1 10.81 9.71 1.10 10.48
SNOWFALL (IN)
TODAY 0.0 0.1 1907 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 21 12 9 6
MONTH TO DATE 461 513 -52 543
SINCE MAR 1 1387 1371 16 1240
SINCE JUL 1 6078 6217 -139 5922
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 0 9 -9 3
SINCE MAR 1 0 10 -10 9
SINCE JAN 1 0 10 -10 9
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 100 AM
LOWEST 40 200 PM
AVERAGE 59
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 64 90 1951
MINIMUM TEMPERATURE (F) 42 30 1943
SUNRISE AND SUNSET
APRIL 30 2008.........SUNRISE 548 AM CDT SUNSET 750 PM CDT
MAY 1 2008...........SUNRISE 547 AM CDT SUNSET 751 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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