887
CDUS43 KLOT 180632
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT FRI APR 18 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 17 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 69 1243 PM 88 1976 59 10 70
MINIMUM 45 903 PM 17 1875 38 7 36
AVERAGE 57 48 9 53
PRECIPITATION (IN)
YESTERDAY 0.00 1.71 1885 0.13 -0.13 T
MONTH TO DATE 1.95 2.06 -0.11 1.48
SINCE MAR 1 4.58 4.71 -0.13 5.14
SINCE JAN 1 10.04 8.09 1.95 8.47
SNOWFALL (IN)
YESTERDAY 0.0 0.5 1949 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 8 17 -9 12
MONTH TO DATE 319 328 -9 413
SINCE MAR 1 1245 1186 59 1110
SINCE JUL 1 5936 6032 -96 5792
COOLING
YESTERDAY 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 23 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 800 PM
LOWEST 45 1100 AM
AVERAGE 61
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 89 2002
MINIMUM TEMPERATURE (F) 38 23 1983
1875
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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