946
CDUS43 KLOT 200631
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
131 AM CDT TUE MAY 20 2008
...................................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 19 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 60 147 PM 94 1977 71 -11 80
1975
MINIMUM 40 352 AM 36 1993 49 -9 56
1894
AVERAGE 50 60 -10 68
PRECIPITATION (IN)
YESTERDAY T 1.53 1949 0.11 -0.11 0.00
MONTH TO DATE 3.21 2.06 1.15 0.65
SINCE MAR 1 8.56 8.39 0.17 7.80
SINCE JAN 1 14.02 11.77 2.25 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 15 6 9 0
MONTH TO DATE 188 172 16 94
SINCE MAR 1 1575 1543 32 1334
SINCE JUL 1 6266 6389 -123 6016
COOLING
YESTERDAY 0 2 -2 3
MONTH TO DATE 0 20 -20 29
SINCE MAR 1 0 30 -30 38
SINCE JAN 1 0 30 -30 38
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 600 AM
LOWEST 30 1100 AM
AVERAGE 56
..........................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 95 1977
MINIMUM TEMPERATURE (F) 49 33 2002
SUNRISE AND SUNSET
MAY 20 2008...........SUNRISE 526 AM CDT SUNSET 811 PM CDT
MAY 21 2008...........SUNRISE 525 AM CDT SUNSET 812 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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