| Jan | Feb | March | April | May | June | July | Aug | Sept | Oct | Nov | Dec |
1 | 4.7 | 6.4 | 10.7 | | | | | | | | | |
2 | 4.3 | 5.6 | 8.1 | | | | | | | | | |
3 | 6.7 | 4.5 | 12.2 | | | | | | | | | |
4 | 3.1 | 12.5 | 9.5 | | | | | | | | | |
5 | 2.3 | 11.9 | 1.7 | | | | | | | | | |
6 | 3.4 | 9.9 | 2.4 | | | | | | | | | |
7 | 1.5 | 15.1 | 12.3 | | | | | | | | | |
8 | 3.1 | 12.1 | 11.6 | | | | | | | | | |
9 | 3.6 | 12.8 | 9.7 | | | | | | | | | |
10 | 0.3 | 11.1 | 3.2 | | | | | | | | | |
11 | 9.1 | 11.4 | 10.2 | | | | | | | | | |
12 | 1.1 | 1.1 | 11.8 | | | | | | | | | |
13 | 7.9 | 0.3 | 6.2 | | | | | | | | | |
14 | 6.7 | 3.6 | 12.0 | | | | | | | | | |
15 | 8.8 | 3.6 | 12.0 | | | | | | | | | |
16 | 10.3 | 3.3 | 11.1 | | | | | | | | | |
17 | 12.5 | 6.1 | 5.4 | | | | | | | | | |
18 | 5.6 | 12.0 | 5.1 | | | | | | | | | |
19 | 2.2 | 11.5 | 3.6 | | | | | | | | | |
20 | 12.8 | 12.0 | 15.7 | | | | | | | | | |
21 | 6.9 | 12.3 | 0.6 | | | | | | | | | |
22 | 6.4 | 9.5 | 10.1 | | | | | | | | | |
23 | 6.9 | 1.4 | 11.8 | | | | | | | | | |
24 | 9.7 | 2.1 | 11.1 | | | | | | | | | |
25 | 11.1 | 5.9 | 3.8 | | | | | | | | | |
26 | 13.2 | 8.9 | 7.8 | | | | | | | | | |
27 | 3.3 | 0.6 | 5.3 | | | | | | | | | |
28 | 1.2 | 4.8 | 7.9 | | | | | | | | | |
29 | 11.0 | | | | | | | | | | | |
30 | 10.8 | | | | | | | | | | | |
31 | 3.2 | | | | | | | | | | | |
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