377
CDUS43 KLOT 210832
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
323 AM CDT TUE MAY 21 2013
...............................
..THE CHICAGO-OHARE CLIMATE SUMMARY FOR MAY 20 2013
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2013
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 235 PM 95 1977 71 18 93
MINIMUM 65 1007 PM 33 2002 49 16 65
AVERAGE 77 60 17 79
PRECIPITATION (IN)
YESTERDAY 1.09 2.54 1975 0.12 0.97 0.14
MONTH TO DATE 1.72 2.36 -0.64 3.26
SINCE MAR 1 12.40 8.24 4.16 7.59
SINCE JAN 1 18.99 11.76 7.23 11.09
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 T
SINCE MAR 1 10.5 6.8 3.7 0.3
SINCE JUL 1 30.1 36.3 -6.2 19.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 0
MONTH TO DATE 128 170 -42 78
SINCE MAR 1 1664 1503 161 895
SINCE JUL 1 6066 6237 -171 4868
COOLING
YESTERDAY 12 2 10 14
MONTH TO DATE 43 20 23 51
SINCE MAR 1 51 30 21 94
SINCE JAN 1 51 30 21 94
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 13.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1100 PM
LOWEST 29 200 PM
AVERAGE 61
......................................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 92 1977
1934
MINIMUM TEMPERATURE (F) 50 31 2002
SUNRISE AND SUNSET
MAY 21 2013...........SUNRISE 526 AM CDT SUNSET 811 PM CDT
MAY 22 2013...........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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