| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
|---|
| 1 | 27.4 | 30.2 | 26.4 | 25.2 | | | | | | | | |
|---|
| 2 | 27.6 | 26.8 | 24.2 | 24.9 | | | | | | | | |
|---|
| 3 | 24.4 | 19.0 | 26.3 | 29.6 | | | | | | | | |
|---|
| 4 | 22.9 | 27.1 | 25.8 | 29.2 | | | | | | | | |
|---|
| 5 | 26.9 | 30.0 | 25.9 | 23.9 | | | | | | | | |
|---|
| 6 | 22.3 | 26.6 | 28.3 | 27.2 | | | | | | | | |
|---|
| 7 | 22.8 | 21.0 | 22.5 | 26.6 | | | | | | | | |
|---|
| 8 | 28.0 | 21.3 | 22.3 | 24.1 | | | | | | | | |
|---|
| 9 | 29.3 | 18.7 | 17.0 | 24.4 | | | | | | | | |
|---|
| 10 | 32.2 | 23.3 | 18.9 | 23.1 | | | | | | | | |
|---|
| 11 | 24.0 | 30.5 | 20.9 | 11.7 | | | | | | | | |
|---|
| 12 | 23.7 | 31.6 | 20.6 | 20.1 | | | | | | | | |
|---|
| 13 | 29.6 | 29.0 | 28.6 | 19.4 | | | | | | | | |
|---|
| 14 | 30.0 | 29.5 | 22.4 | 13.5 | | | | | | | | |
|---|
| 15 | 27.8 | 30.0 | 25.0 | 17.4 | | | | | | | | |
|---|
| 16 | 28.6 | 31.1 | 27.3 | 25.3 | | | | | | | | |
|---|
| 17 | 28.5 | 30.7 | 19.7 | 25.9 | | | | | | | | |
|---|
| 18 | 23.8 | 34.2 | 21.5 | 21.7 | | | | | | | | |
|---|
| 19 | 30.2 | 31.7 | 23.4 | 23.6 | | | | | | | | |
|---|
| 20 | 33.0 | 30.8 | 24.9 | 22.5 | | | | | | | | |
|---|
| 21 | 31.2 | 28.5 | 26.2 | 23.3 | | | | | | | | |
|---|
| 22 | 28.2 | 23.8 | 26.6 | 20.2 | | | | | | | | |
|---|
| 23 | 30.8 | 22.4 | 23.5 | 20.4 | | | | | | | | |
|---|
| 24 | 31.6 | 28.6 | 26.4 | 21.6 | | | | | | | | |
|---|
| 25 | 29.6 | 29.5 | 27.1 | 22.3 | | | | | | | | |
|---|
| 26 | 25.5 | 28.0 | 28.4 | | | | | | | | | |
|---|
| 27 | 29.0 | 20.7 | 28.5 | | | | | | | | | |
|---|
| 28 | 27.5 | 27.0 | 27.0 | | | | | | | | | |
|---|
| 29 | 27.6 | | 28.4 | | | | | | | | | |
|---|
| 30 | 33.7 | | 23.8 | | | | | | | | | |
|---|
| 31 | 32.8 | | 28.3 | | | | | | | | | |
|---|
|
