| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.16 | -0.12 |
| Feb | 2.69 | 2.89 | -0.20 |
| Mar | 3.89 | 4.08 | -0.19 |
| Apr | 3.53 | 3.58 | -0.05 |
| May | 4.22 | 4.35 | -0.13 |
| Jun | 4.28 | 4.27 | 0.01 |
| Jul | 4.43 | 4.40 | 0.03 |
| Aug | 4.16 | 4.04 | 0.12 |
| Sep | 4.38 | 4.54 | -0.16 |
| Oct | 4.05 | 4.16 | -0.11 |
| Nov | 3.24 | 3.27 | -0.03 |
| Dec | 3.72 | 3.94 | -0.22 |
45.63 | 46.68 | -1.05 |