| Cumulative Percent Frequencies | | Month | >=95 | >=90 | >=85 | >=80 | >=75 |
| January |
0 % |
0.2 % |
12 % |
90.7 % |
100 % |
| February |
0 % |
0.2 % |
17.7 % |
89.3 % |
99.8 % |
| March |
0 % |
0.2 % |
26.8 % |
91.1 % |
99.7 % |
| April |
0 % |
2 % |
49.6 % |
93.3 % |
100 % |
| May |
0 % |
7.2 % |
68 % |
97 % |
100 % |
| June |
0 % |
30.3 % |
90.4 % |
99 % |
100 % |
| July |
0.2 % |
35 % |
92.8 % |
99.7 % |
100 % |
| August |
0.6 % |
42.7 % |
91.8 % |
99.8 % |
100 % |
| September |
0.2 % |
41.6 % |
89.5 % |
99.5 % |
100 % |
| October |
0 % |
25.5 % |
86.3 % |
99.2 % |
100 % |
| November |
0 % |
5.9 % |
60.2 % |
96.9 % |
100 % |
| December |
0 % |
0.2 % |
26.5 % |
92.9 % |
100 % |
| Annual |
0.1 % |
16.1 % |
59.8 % |
95.8 % |
100 % |
|
