| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.17 | 3.63 | -0.46 |
| Feb | 2.97 | 3.21 | -0.24 |
| Mar | 3.86 | 4.25 | -0.39 |
| Apr | 3.73 | 4.05 | -0.32 |
| May | 4.52 | 4.71 | -0.19 |
| Jun | 3.94 | 3.94 | 0.00 |
| Jul | 4.52 | 4.53 | -0.01 |
| Aug | 3.42 | 3.41 | 0.01 |
| Sep | 3.25 | 3.32 | -0.07 |
| Oct | 2.81 | 2.84 | -0.03 |
| Nov | 2.60 | 2.73 | -0.13 |
| Dec | 3.20 | 3.69 | -0.49 |
41.99 | 44.31 | -2.32 |