| Month | Distribution | Parameters | Method | Values of the A-D test | |
| An | p-value | ||||
| January | BURR XII | shape 1 = −2.170 shape 2 = 5.923 scale = 4.619 | MLE | 0.501 | 0.745 |
| February | BURR XII | shape 1 = −2.959 shape 2 = 7.532 scale = 3.726 | MLE | 0.231 | 0.979 |
| March | BURR XII | shape 1 = −2.638 shape 2 = 5.755 scale = 3.494 | MLE | 0.266 | 0.961 |
| April | GEV | location = 5.311 scale = 3.300 shape = 0.186 | L-moment | 0.215 | 0.986 |
| May | GEV | location = 9.590 scale = 6.998 shape = 0.309 | L-moment | 0.369 | 0.879 |
| June | BURR XII | shape 1 = −0.370 shape 2 = 1.910 scale = 32.119 | MLE | 0.215 | 0.986 |
| July | Log Normal | shape = 0.533 scale = 4.053 threshold = −6.012 | MLE | 0.264 | 0.962 |
| August | BURR XII | shape 1 = 0.046 shape 2 = 2.043 scale = 63.253 | L-moment | 0.297 | 0.940 |
| September | GEV | location = 27.665 scale = 18.919 shape = 0.236 | L-moment | 0.352 | 0.894 |
| October | GEV | location = 14.740 scale = 9.261 shape = 0.386 | MLE | 0.216 | 0.985 |
| November | BURR XII | shape 1 = −1.747 shape 2 = 4.296 scale = 9.501 | MLE | 0.293 | 0.943 |
| December | BURR XII | shape 1 = −1.796, shape 2 = 5.743 scale = 5.799 | L-moment | 0.206 | 0.989 |