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

|
Jan |
Feb |
Mar |
Apr |
May |
Jun |
Jul |
Aug |
Sep |
Oct |
Nov |
Dec |
Yearly |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2003 | 7.1 | 9.1 | 12.7 | 9.1 | 10.9 | 10.9 | 9.9 | 9.2 | 12.5 | 9.7 | 12.0 | 5.0 | 9.8 |
| 2004 | 14.2 | 12.9 | 12.4 | 11.5 | 12.3 | 10.8 | 9.3 | 9.9 | 7.9 | 8.3 | 7.2 | 10.1 | 10.6 |
| 2005 | 10.1 | 8.3 | 8.9 | 6.6 | 10.4 | 9.9 | 10.3 | 7.5 | 8.4 | 11.0 | 9.5 | 6.9 | 9.0 |
| 2006 | 10.3 | 6.3 | 9.4 | 8.7 | 8.7 | 9.5 | 7.8 | 5.7 | 5.3 | 5.9 | 6.1 | 7.5 | 7.6 |
| 2007 | 6.7 | 4.9 | 5.4 | 4.0 | 3.9 | 5.4 | 5.7 | 6.9 | 5.5 | 6.7 | 7.2 | 9.7 | 6.0 |
| 2008 | 8.9 | 9.2 | 10.8 | 9.3 | 8.8 | 10.9 | 8.4 | 9.4 | |||||
| Mean | 9.6 | 8.5 | 9.9 | 8.2 | 9.2 | 9.3 | 8.6 | 7.8 | 7.9 | 8.3 | 8.4 | 7.9 | |
| High | 14.2 | 12.9 | 12.7 | 11.5 | 12.3 | 10.9 | 10.3 | 9.9 | 12.5 | 11.0 | 12.0 | 10.1 | |
| Low | 6.7 | 4.9 | 5.4 | 4.0 | 3.9 | 5.4 | 5.7 | 5.7 | 5.3 | 5.9 | 6.1 | 5.0 |