| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.88 | 2.99 | -0.11 |
| Feb | 2.40 | 2.55 | -0.15 |
| Mar | 3.33 | 3.68 | -0.35 |
| Apr | 3.24 | 3.39 | -0.15 |
| May | 4.21 | 4.48 | -0.27 |
| Jun | 4.17 | 4.29 | -0.12 |
| Jul | 4.21 | 4.04 | 0.17 |
| Aug | 3.39 | 3.56 | -0.17 |
| Sep | 4.06 | 4.30 | -0.24 |
| Oct | 3.67 | 3.73 | -0.06 |
| Nov | 2.99 | 3.17 | -0.18 |
| Dec | 3.33 | 3.51 | -0.18 |
41.88 | 43.69 | -1.81 |