| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.57 | 3.62 | -0.05 |
| Feb | 2.97 | 2.90 | 0.07 |
| Mar | 4.10 | 4.02 | 0.08 |
| Apr | 3.67 | 3.59 | 0.08 |
| May | 3.79 | 3.65 | 0.14 |
| Jun | 4.49 | 4.51 | -0.02 |
| Jul | 4.91 | 4.81 | 0.10 |
| Aug | 4.77 | 4.64 | 0.13 |
| Sep | 5.08 | 5.32 | -0.24 |
| Oct | 3.57 | 3.72 | -0.15 |
| Nov | 3.45 | 3.38 | 0.07 |
| Dec | 3.52 | 3.45 | 0.07 |
47.89 | 47.61 | 0.28 |