255
CDUS43 KLOT 010640
CLICHI
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
1233 AM CST SAT JAN 1 2005
................
THE CHICAGO-OHARE CLIMATE SUMMARY FOR DECEMBER 31 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
.....................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 56 1247 AM 68 1875 30 26 42
MINIMUM 29 1155 PM -10 1967 16 13 22
AVERAGE 43 23 20 32
PRECIPITATION (IN)
YESTERDAY 0.00 0.89 1978 0.06 -0.06 0.00
MONTH TO DATE 1.15 2.43 -1.28 1.82
SINCE DEC 1 1.15 2.43 -1.28 1.82
SINCE JAN 1 31.58 36.27 -4.69 32.02
SNOWFALL (IN)
YESTERDAY 0.0
MONTH TO DATE 0.6
SINCE DEC 1 0.6
SINCE JUL 1 5.7
DEGREE DAYS
HEATING
YESTERDAY 22 42 -20 33
MONTH TO DATE 1113 1151 -38 1025
SINCE DEC 1 1113 1151 -38 1025
SINCE JUL 1 2172 2438 -266 2233
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 615 830 -215 695
.....................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (260)
AVERAGE WIND SPEED 13.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 300 AM
LOWEST 38 300 PM
AVERAGE 64
.............................................
THE CHICAGO-OHARE CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 30 65 1876
MINIMUM TEMPERATURE (F) 15 -10 1969
SUNRISE AND SUNSET
JANUARY 1 2005.......SUNRISE 720 AM CST SUNSET 431 PM CST
JANUARY 2 2005.......SUNRISE 720 AM CST SUNSET 431 PM CST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page