| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.90 | 3.94 | -0.04 |
| Feb | 3.97 | 4.02 | -0.05 |
| Mar | 4.31 | 4.35 | -0.04 |
| Apr | 3.96 | 4.08 | -0.12 |
| May | 4.32 | 4.56 | -0.24 |
| Jun | 4.00 | 4.02 | -0.02 |
| Jul | 2.76 | 2.79 | -0.03 |
| Aug | 2.68 | 2.80 | -0.12 |
| Sep | 3.31 | 3.17 | 0.14 |
| Oct | 4.35 | 4.39 | -0.04 |
| Nov | 3.65 | 3.91 | -0.26 |
| Dec | 4.40 | 4.55 | -0.15 |
45.61 | 46.58 | -0.97 |