| MONTH | PERIOD ANALYZED AT BHC | |||
| 1962-2015 | 1962-2100 | |||
| DEF | EXC | DEF | EXC | |
| JANUARY | 0.0 | 179.7 | 0.0 | 164.2 |
| FEBRUARY | 0.0 | 109.0 | 0.0 | 97.7 |
| MARCH | 0.0 | 84.2 | 0.0 | 86.9 |
| APRIL | 0.0 | 0.0 | −0.7 | 0.0 |
| MAY | 0.0 | 0.0 | 0.0 | 0.0 |
| JUNE | −1.1 | 0.0 | −1.5 | 0.0 |
| JULY | −3.3 | 0.0 | −5.1 | 0.0 |
| AUGUST | −11.6 | 0.0 | −11.7 | 0.0 |
| SEPTEMBER | 0.0 | 0.0 | 0.0 | 0.0 |
| OCTOBER | 0.0 | 0.0 | −52.5 | 0.0 |
| NOVEMBER | 0.0 | 82.3 | 0.0 | 0.0 |
| DECEMBER | 0.0 | 165.4 | 0.0 | 139.6 |