688
CDUS43 KLOT 182141
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
432 PM CDT FRI APR 18 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 18 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 75 220 PM 89 2002 59 16 50
MINIMUM 45 407 AM 23 1983 38 7 39
1875
AVERAGE 60 49 11 45
PRECIPITATION (IN)
TODAY 0.00 3.83 1975 0.13 -0.13 T
MONTH TO DATE 1.95 2.19 -0.24 1.48
SINCE MAR 1 4.58 4.84 -0.26 5.14
SINCE JAN 1 10.04 8.22 1.82 8.47
SNOWFALL (IN)
TODAY 0.0 0.4 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
TODAY 5 16 -11 20
MONTH TO DATE 324 344 -20 433
SINCE MAR 1 1250 1202 48 1130
SINCE JUL 1 5941 6048 -107 5812
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 28 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION S (170)
AVERAGE WIND SPEED 9.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 400 AM
LOWEST 41 100 PM
AVERAGE 62
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 86 1985
MINIMUM TEMPERATURE (F) 39 22 1983
SUNRISE AND SUNSET
APRIL 18 2008.........SUNRISE 606 AM CDT SUNSET 737 PM CDT
APRIL 19 2008.........SUNRISE 604 AM CDT SUNSET 738 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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