| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.08 | -0.12 |
| Feb | 2.60 | 2.68 | -0.08 |
| Mar | 3.56 | 3.81 | -0.25 |
| Apr | 3.33 | 3.41 | -0.08 |
| May | 4.14 | 4.53 | -0.39 |
| Jun | 4.14 | 4.49 | -0.35 |
| Jul | 4.39 | 4.47 | -0.08 |
| Aug | 3.55 | 3.72 | -0.17 |
| Sep | 4.20 | 4.49 | -0.29 |
| Oct | 3.71 | 3.80 | -0.09 |
| Nov | 3.05 | 3.20 | -0.15 |
| Dec | 3.49 | 3.64 | -0.15 |
43.12 | 45.32 | -2.20 |