| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.30 | 0.05 |
| Feb | 3.28 | 3.30 | -0.02 |
| Mar | 4.15 | 4.20 | -0.05 |
| Apr | 4.25 | 4.33 | -0.08 |
| May | 3.71 | 3.53 | 0.18 |
| Jun | 4.30 | 4.06 | 0.24 |
| Jul | 3.91 | 3.69 | 0.22 |
| Aug | 3.64 | 3.57 | 0.07 |
| Sep | 3.90 | 3.71 | 0.19 |
| Oct | 4.81 | 4.87 | -0.06 |
| Nov | 4.15 | 3.96 | 0.19 |
| Dec | 4.39 | 4.43 | -0.04 |
47.84 | 46.95 | 0.89 |