| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.93 | 2.01 | -0.08 |
| Feb | 1.84 | 1.72 | 0.12 |
| Mar | 2.47 | 2.50 | -0.03 |
| Apr | 2.89 | 2.96 | -0.07 |
| May | 3.17 | 2.99 | 0.18 |
| Jun | 3.63 | 3.68 | -0.05 |
| Jul | 3.96 | 4.14 | -0.18 |
| Aug | 3.21 | 3.61 | -0.40 |
| Sep | 3.58 | 3.79 | -0.21 |
| Oct | 3.54 | 3.50 | 0.04 |
| Nov | 2.44 | 2.49 | -0.05 |
| Dec | 2.44 | 2.35 | 0.09 |
35.10 | 35.74 | -0.64 |