| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.94 | 3.11 | -0.17 |
| Feb | 2.33 | 2.49 | -0.16 |
| Mar | 3.32 | 3.34 | -0.02 |
| Apr | 4.71 | 4.87 | -0.16 |
| May | 4.39 | 4.71 | -0.32 |
| Jun | 4.96 | 5.00 | -0.04 |
| Jul | 4.16 | 4.33 | -0.17 |
| Aug | 3.10 | 3.08 | 0.02 |
| Sep | 3.04 | 3.16 | -0.12 |
| Oct | 3.56 | 3.73 | -0.17 |
| Nov | 3.52 | 3.69 | -0.17 |
| Dec | 2.83 | 2.97 | -0.14 |
42.86 | 44.48 | -1.62 |