| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.14 | 3.25 | -0.11 |
| Feb | 2.66 | 2.74 | -0.08 |
| Mar | 3.62 | 3.81 | -0.19 |
| Apr | 4.42 | 4.55 | -0.13 |
| May | 4.68 | 4.76 | -0.08 |
| Jun | 4.51 | 4.45 | 0.06 |
| Jul | 3.96 | 3.94 | 0.02 |
| Aug | 3.30 | 3.11 | 0.19 |
| Sep | 3.09 | 3.07 | 0.02 |
| Oct | 3.12 | 3.10 | 0.02 |
| Nov | 2.97 | 3.07 | -0.10 |
| Dec | 3.29 | 3.41 | -0.12 |
42.76 | 43.26 | -0.50 |