| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.03 | 3.22 | -0.19 |
| Feb | 2.63 | 2.64 | -0.01 |
| Mar | 3.30 | 3.35 | -0.05 |
| Apr | 3.47 | 3.39 | 0.08 |
| May | 4.07 | 4.07 | 0.00 |
| Jun | 4.36 | 4.45 | -0.09 |
| Jul | 4.20 | 4.10 | 0.10 |
| Aug | 3.77 | 3.65 | 0.12 |
| Sep | 3.47 | 3.38 | 0.09 |
| Oct | 2.94 | 3.01 | -0.07 |
| Nov | 2.84 | 3.01 | -0.17 |
| Dec | 3.13 | 3.30 | -0.17 |
41.21 | 41.57 | -0.36 |