| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.10 | 3.27 | -0.17 |
| Feb | 2.56 | 2.64 | -0.08 |
| Mar | 3.81 | 3.86 | -0.05 |
| Apr | 3.65 | 3.53 | 0.12 |
| May | 3.66 | 3.73 | -0.07 |
| Jun | 4.21 | 4.38 | -0.17 |
| Jul | 4.52 | 4.42 | 0.10 |
| Aug | 4.16 | 3.95 | 0.21 |
| Sep | 4.61 | 4.73 | -0.12 |
| Oct | 4.24 | 4.35 | -0.11 |
| Nov | 3.16 | 3.20 | -0.04 |
| Dec | 3.61 | 3.78 | -0.17 |
45.29 | 45.84 | -0.55 |