| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.24 | 0.13 |
| Feb | 2.96 | 2.84 | 0.12 |
| Mar | 3.44 | 3.40 | 0.04 |
| Apr | 3.84 | 3.72 | 0.12 |
| May | 3.77 | 3.72 | 0.05 |
| Jun | 4.45 | 4.36 | 0.09 |
| Jul | 4.78 | 4.62 | 0.16 |
| Aug | 3.93 | 3.99 | -0.06 |
| Sep | 3.87 | 3.66 | 0.21 |
| Oct | 4.94 | 5.07 | -0.13 |
| Nov | 3.95 | 3.84 | 0.11 |
| Dec | 4.32 | 4.15 | 0.17 |
47.62 | 46.61 | 1.01 |