169
CDUS43 KLOT 180631
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
130 AM CDT SUN MAY 18 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 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 73 208 PM 94 1962 70 3 62
MINIMUM 52 1126 PM 36 2002 48 4 43
1973
AVERAGE 63 59 4 53
PRECIPITATION (IN)
YESTERDAY 0.12 1.38 1986 0.10 0.02 0.00
1969
MONTH TO DATE 3.21 1.85 1.36 0.65
SINCE MAR 1 8.56 8.18 0.38 7.80
SINCE JAN 1 14.02 11.56 2.46 11.13
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 T 0.0 0.0
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 2 7 -5 12
MONTH TO DATE 158 159 -1 86
SINCE MAR 1 1545 1530 15 1326
SINCE JUL 1 6236 6376 -140 6008
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 17 -17 26
SINCE MAR 1 0 27 -27 35
SINCE JAN 1 0 27 -27 35
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 14.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 1000 PM
LOWEST 24 200 PM
AVERAGE 48
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 93 1962
MINIMUM TEMPERATURE (F) 48 34 2002
SUNRISE AND SUNSET
MAY 18 2008...........SUNRISE 528 AM CDT SUNSET 809 PM CDT
MAY 19 2008...........SUNRISE 527 AM CDT SUNSET 810 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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