| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.35 | 0.06 |
| Feb | 0.62 | 0.51 | 0.11 |
| Mar | 1.14 | 1.01 | 0.13 |
| Apr | 2.61 | 2.39 | 0.22 |
| May | 3.69 | 3.57 | 0.12 |
| Jun | 3.94 | 3.89 | 0.05 |
| Jul | 2.70 | 2.81 | -0.11 |
| Aug | 2.18 | 2.09 | 0.09 |
| Sep | 1.94 | 1.72 | 0.22 |
| Oct | 1.61 | 1.38 | 0.23 |
| Nov | 0.64 | 0.55 | 0.09 |
| Dec | 0.52 | 0.43 | 0.09 |
22.00 | 20.70 | 1.30 |