Customer Service
800-331-3332 or 312-930-2316

|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Yearly |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 36.5 | 36.5 | |||||||||||
| 2004 | 25.0 | 41.5 | 24.3 | 28.1 | 42.1 | 22.7 | 33.7 | 59.8 | 22.6 | 33.5 | 21.0 | 20.5 | 31.2 |
| 2005 | 18.2 | 36.4 | 17.7 | 35.4 | 15.7 | 20.6 | 18.9 | 50.7 | 19.3 | 42.7 | 21.3 | 12.1 | 25.8 |
| 2006 | 20.9 | 26.0 | 22.0 | 66.2 | 16.7 | 20.4 | 17.6 | 48.2 | 21.4 | 33.8 | 20.9 | 14.9 | 27.4 |
| 2007 | 20.3 | 16.2 | 18.4 | 55.6 | 10.8 | 21.9 | 27.1 | 35.1 | 13.9 | 11.9 | 32.4 | 32.0 | 24.6 |
| 2008 | 18.7 | 42.4 | 27.4 | 70.1 | 31.1 | 21.5 | 16.0 | 37.9 | |||||
| Mean | 20.6 | 32.5 | 22.0 | 51.1 | 23.3 | 21.4 | 24.3 | 48.4 | 19.3 | 30.5 | 23.9 | 23.0 | |
| High | 25.0 | 42.4 | 27.4 | 70.1 | 42.1 | 22.7 | 33.7 | 59.8 | 22.6 | 42.7 | 32.4 | 36.5 | |
| Low | 18.2 | 16.2 | 17.7 | 28.1 | 10.8 | 20.4 | 17.6 | 35.1 | 13.9 | 11.9 | 20.9 | 12.1 |