| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.81 | -0.11 |
| Feb | 3.41 | 3.59 | -0.18 |
| Mar | 3.79 | 4.02 | -0.23 |
| Apr | 2.96 | 3.10 | -0.14 |
| May | 3.39 | 3.38 | 0.01 |
| Jun | 5.07 | 4.91 | 0.16 |
| Jul | 4.91 | 4.83 | 0.08 |
| Aug | 4.84 | 4.94 | -0.10 |
| Sep | 4.11 | 4.19 | -0.08 |
| Oct | 3.19 | 3.35 | -0.16 |
| Nov | 2.85 | 3.02 | -0.17 |
| Dec | 3.70 | 3.85 | -0.15 |
45.92 | 46.99 | -1.07 |