778
CDUS43 KLOT 190650
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
150 AM CDT MON MAY 19 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 18 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 55 239 PM 93 1962 71 -16 71
MINIMUM 44 1159 PM 34 2002 48 -4 42
AVERAGE 50 59 -9 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.36 1926 0.10 -0.10 0.00
MONTH TO DATE 3.21 1.95 1.26 0.65
SINCE MAR 1 8.56 8.28 0.28 7.80
SINCE JAN 1 14.02 11.66 2.36 11.13
SNOWFALL (IN)
YESTERDAY 0.0 T 1894 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 15 7 8 8
MONTH TO DATE 173 166 7 94
SINCE MAR 1 1560 1537 23 1334
SINCE JUL 1 6251 6383 -132 6016
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 0 18 -18 26
SINCE MAR 1 0 28 -28 35
SINCE JAN 1 0 28 -28 35
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 76 500 AM
LOWEST 54 300 PM
AVERAGE 65
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 94 1977
1975
MINIMUM TEMPERATURE (F) 49 36 1993
1894
SUNRISE AND SUNSET
MAY 19 2008...........SUNRISE 527 AM CDT SUNSET 810 PM CDT
MAY 20 2008...........SUNRISE 526 AM CDT SUNSET 811 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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