| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.57 | -0.16 |
| Feb | 2.84 | 3.02 | -0.18 |
| Mar | 4.05 | 4.14 | -0.09 |
| Apr | 3.87 | 4.08 | -0.21 |
| May | 3.90 | 4.01 | -0.11 |
| Jun | 4.39 | 4.61 | -0.22 |
| Jul | 4.43 | 4.57 | -0.14 |
| Aug | 4.37 | 4.55 | -0.18 |
| Sep | 4.16 | 4.29 | -0.13 |
| Oct | 4.25 | 4.33 | -0.08 |
| Nov | 3.51 | 3.53 | -0.02 |
| Dec | 4.24 | 4.35 | -0.11 |
47.42 | 49.05 | -1.63 |