287
CDUS43 KLOT 210630
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
130 AM CDT MON APR 21 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR APRIL 20 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 72 1220 PM 87 1985 60 12 68
MINIMUM 44 530 AM 24 1897 39 5 38
AVERAGE 58 49 9 53
PRECIPITATION (IN)
YESTERDAY 0.00 2.37 2000 0.13 -0.13 0.00
MONTH TO DATE 2.01 2.45 -0.44 1.48
SINCE MAR 1 4.64 5.10 -0.46 5.14
SINCE JAN 1 10.10 8.48 1.62 8.47
SNOWFALL (IN)
YESTERDAY 0.0 0.2 1943 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 7 16 -9 12
MONTH TO DATE 340 376 -36 460
SINCE MAR 1 1266 1234 32 1157
SINCE JUL 1 5957 6080 -123 5839
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 15 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 1200 AM
LOWEST 44 1200 PM
AVERAGE 65
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 88 1985
MINIMUM TEMPERATURE (F) 39 27 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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