109
CDUS43 KLOT 300634
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
132 AM CDT MON JUL 30 2012
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR JULY 29 2012
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2012
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 85 1232 PM 99 1913 84 1 86
MINIMUM 63 328 AM 50 1984 64 -1 71
AVERAGE 74 74 0 79
PRECIPITATION (IN)
YESTERDAY T 1.58 1989 0.13 -0.13 0.70
MONTH TO DATE 3.50 3.41 0.09 11.15
SINCE JUN 1 4.40 6.86 -2.46 14.54
SINCE JAN 1 16.61 19.94 -3.33 33.77
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 14 48 -34 32
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 9 9 0 14
MONTH TO DATE 478 260 218 416
SINCE JUN 1 769 425 344 587
SINCE JAN 1 940 479 461 653
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (120)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)
AVERAGE WIND SPEED 5.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 400 AM
LOWEST 37 300 PM
AVERAGE 61
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THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 102 1916
MINIMUM TEMPERATURE (F) 64 50 1984
SUNRISE AND SUNSET
JULY 30 2012..........SUNRISE 543 AM CDT SUNSET 813 PM CDT
JULY 31 2012..........SUNRISE 544 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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