| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.24 | 3.41 | -0.17 |
| Feb | 2.83 | 2.96 | -0.13 |
| Mar | 3.99 | 4.20 | -0.21 |
| Apr | 3.42 | 3.51 | -0.09 |
| May | 3.48 | 3.87 | -0.39 |
| Jun | 4.13 | 4.11 | 0.02 |
| Jul | 4.33 | 4.24 | 0.09 |
| Aug | 4.69 | 4.65 | 0.04 |
| Sep | 4.08 | 4.51 | -0.43 |
| Oct | 3.85 | 4.25 | -0.40 |
| Nov | 3.23 | 3.28 | -0.05 |
| Dec | 3.81 | 3.99 | -0.18 |
45.08 | 46.98 | -1.90 |