| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|
| 1 | 13.5 | 6.0 | 7.7 | 13.1 | 15.7 | 20.9 | 22.4 | 23.1 | 20.6 | 20.7 | 14.1 | 17.4 |
|---|
| 2 | 13.1 | 6.3 | 9.6 | 13.3 | 17.8 | 20.6 | 23.3 | 24.9 | 22.2 | 20.5 | 16.2 | 12.4 |
|---|
| 3 | 12.7 | 7.3 | 10.5 | 15.2 | 19.8 | 20.9 | 24.0 | 24.8 | 23.5 | 18.6 | 14.3 | 6.9 |
|---|
| 4 | 10.8 | 8.2 | 10.6 | 11.5 | 17.3 | 19.3 | 23.9 | 22.8 | 24.1 | 19.5 | 12.1 | 4.1 |
|---|
| 5 | 10.8 | 6.8 | 8.7 | 9.9 | 16.6 | 20.3 | 23.3 | 21.2 | 23.8 | 20.1 | 17.4 | 7.0 |
|---|
| 6 | 10.5 | 6.9 | 11.0 | 7.4 | 16.4 | 21.1 | 23.9 | 21.4 | 24.0 | 19.6 | 16.4 | 5.3 |
|---|
| 7 | 11.0 | 5.1 | 11.2 | 8.4 | 17.0 | 21.2 | 25.9 | 22.1 | 25.4 | 19.4 | 13.3 | 4.5 |
|---|
| 8 | 12.3 | 4.0 | 12.4 | 12.3 | 18.2 | 21.5 | 27.6 | 21.2 | 25.8 | 19.0 | 11.8 | 5.9 |
|---|
| 9 | 11.7 | 4.3 | 13.8 | 12.7 | 19.0 | 21.1 | 28.1 | 21.0 | 23.5 | 19.5 | 11.4 | 8.6 |
|---|
| 10 | 8.8 | 2.4 | 14.4 | 12.0 | 16.6 | 22.3 | 28.0 | 22.3 | 22.6 | 18.5 | 12.0 | 10.6 |
|---|
| 11 | 5.5 | 3.3 | 12.3 | 11.1 | 15.6 | 23.1 | 27.0 | 25.0 | 22.2 | 18.9 | 9.7 | 11.8 |
|---|
| 12 | 8.4 | 4.8 | 12.1 | 14.0 | 14.1 | 22.7 | 26.8 | 26.2 | 21.3 | 20.3 | 10.5 | 14.5 |
|---|
| 13 | 9.1 | 6.2 | 11.7 | 12.6 | 15.3 | 20.1 | 26.5 | 25.4 | 21.3 | 19.4 | 13.0 | 14.2 |
|---|
| 14 | 7.7 | 6.6 | 13.3 | 11.7 | 14.4 | 20.3 | 27.0 | 27.0 | 22.3 | 19.4 | 18.2 | 11.6 |
|---|
| 15 | 10.7 | 6.6 | 12.7 | 13.0 | 16.7 | 22.0 | 26.4 | 26.2 | 21.9 | 21.0 | 16.2 | 7.7 |
|---|
| 16 | 10.7 | 8.4 | 8.6 | 16.0 | 18.3 | 22.5 | 26.2 | 25.6 | 22.4 | 15.9 | 11.9 | 8.4 |
|---|
| 17 | 9.7 | 9.8 | 8.9 | 14.4 | 18.3 | 22.6 | 26.4 | 26.8 | 23.2 | 17.5 | 14.2 | 6.9 |
|---|
| 18 | 8.7 | 10.1 | 9.9 | 14.8 | 18.6 | 23.0 | 26.3 | 26.1 | 23.0 | 16.7 | 10.1 | 5.8 |
|---|
| 19 | 5.8 | 11.3 | 11.7 | 14.6 | 16.0 | 23.1 | 26.7 | 27.1 | 23.6 | 18.6 | 8.2 | 6.2 |
|---|
| 20 | 5.2 | 11.8 | 12.1 | 13.3 | 17.5 | 23.4 | 27.0 | 28.6 | 19.8 | 20.2 | 14.4 | 5.1 |
|---|
| 21 | 6.4 | 10.5 | 11.3 | 14.8 | 20.9 | 24.3 | 26.1 | 30.0 | 19.8 | 16.5 | 14.5 | 5.3 |
|---|
| 22 | 7.4 | 10.7 | 11.8 | 15.1 | 19.9 | 25.6 | 26.9 | 28.3 | 19.9 | 16.6 | 15.3 | 7.7 |
|---|
| 23 | 7.2 | 10.8 | 11.5 | 14.5 | 19.2 | 24.9 | 24.8 | 29.0 | 19.6 | 15.0 | 12.8 | 7.6 |
|---|
| 24 | 8.4 | 11.4 | 13.7 | 16.9 | 19.4 | 25.3 | 26.3 | 28.5 | 18.0 | 19.6 | 7.8 | 10.4 |
|---|
| 25 | 10.0 | 12.8 | 15.1 | 16.0 | 19.9 | 24.7 | 26.6 | 26.9 | 18.1 | 19.0 | 10.5 | 11.0 |
|---|
| 26 | 7.6 | 8.6 | 13.3 | 13.9 | 21.5 | 25.2 | 25.1 | 25.5 | 21.5 | 19.4 | 5.1 | 8.8 |
|---|
| 27 | 4.7 | 8.0 | 13.7 | 13.8 | 20.9 | 25.2 | 22.8 | 24.7 | 23.1 | 20.0 | 8.7 | 9.2 |
|---|
| 28 | 6.6 | 9.0 | 11.5 | 14.5 | 21.9 | 25.1 | 22.1 | 20.0 | 19.7 | 17.9 | 9.0 | 9.9 |
|---|
| 29 | 4.6 | | 8.4 | 16.4 | 22.4 | 26.3 | 25.0 | 20.3 | 19.3 | 18.2 | 7.2 | 10.6 |
|---|
| 30 | 3.9 | | 13.6 | 17.7 | 22.4 | 21.6 | 25.1 | 18.7 | 19.6 | 20.6 | 11.9 | 11.9 |
|---|
| 31 | 6.1 | | 13.0 | | 21.9 | | 25.6 | 19.8 | | 17.6 | | 12.0 |
|---|