Month | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Yearly |
Shape parameter, k | 4.9 | 4.8 | 4.6 | 4.5 | 4.7 | 4.7 | 5.0 | 4.4 | 4.2 | 4.5 | 4.2 | 4.2 | 4.6 |