....Wearing white at home was stupid, too. Why, to make the Lions sweat to death in their medium-blue jerseys on a 63-degree day?....
The high on Sunday, September 12 was 83 F with the wind from the SW. Not cooler (at least not noticeably) by the lake that day. I was there.
These data are preliminary and have not undergone final quality control by the National Climatic Data Center (NCDC). Therefore, these data are subject to revision. Final and certified climate data can be accessed at the NCDC -
http://www.ncdc.noaa.gov.
Climatological Report (Daily)
000
CDUS43 KLOT 130633
CLIORD
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
133 AM CDT MON SEP 13 2010
...................................
...THE CHICAGO-OHARE IL CLIMATE SUMMARY FOR SEPTEMBER 12 2010...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1871 TO 2010
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 83 332 PM 96 1952 75 8 79
MINIMUM 54 546 AM 44 1955 55 -1 58
AVERAGE 69 65 4 69
PRECIPITATION (IN)
YESTERDAY 0.00 2.43 1961 0.11 -0.11 0.00
MONTH TO DATE 1.96 1.49 0.47 0.03
SINCE SEP 1 1.96 1.49 0.47 0.03
SINCE JAN 1 31.00 26.34 4.66 31.57 00 26.34 4.66 31.57
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 SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 0
MONTH TO DATE 20 23 -3 8
SINCE SEP 1 20 23 -3 8
SINCE JUL 1 20 38 -18 35
COOLING
YESTERDAY 4 3 1 4
MONTH TO DATE 38 52 -14 38
SINCE SEP 1 38 52 -14 38
SINCE JAN 1 1122 781 341 559
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 7.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 86 200 AM
LOWEST 31 300 PM
AVERAGE 59
..........................................................
THE CHICAGO-OHARE IL CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 98 1939
MINIMUM TEMPERATURE (F) 55 39 1890
SUNRISE AND SUNSET
SEPTEMBER 13 2010.....SUNRISE 630 AM CDT SUNSET 705 PM CDT
SEPTEMBER 14 2010.....SUNRISE 631 AM CDT SUNSET 703 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
The U.S. Naval Observatory (USNO) computes astronomical data. Therefore, the NWS does not record, certify, or authenticate astronomical data. Computed times of sunrise, sunset, moonrise, moonset; and twilight, moon phases and other astronomical data are available from USNO's Astronomical Applications Department (
http://www.usno.navy.mil). See
http://www.usno.navy.mil/USNO/astronomi ... litigation for information on using these data for legal purposes.