| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.49 | 0.20 |
| Feb | 3.52 | 3.50 | 0.02 |
| Mar | 4.92 | 4.77 | 0.15 |
| Apr | 5.32 | 5.15 | 0.17 |
| May | 5.41 | 5.29 | 0.12 |
| Jun | 3.77 | 3.78 | -0.01 |
| Jul | 4.04 | 3.75 | 0.29 |
| Aug | 4.01 | 3.62 | 0.39 |
| Sep | 3.84 | 3.59 | 0.25 |
| Oct | 4.12 | 4.13 | -0.01 |
| Nov | 4.95 | 4.80 | 0.15 |
| Dec | 4.44 | 4.55 | -0.11 |
52.03 | 50.42 | 1.61 |