| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.47 | -0.08 |
| Feb | 3.10 | 3.14 | -0.04 |
| Mar | 4.29 | 4.21 | 0.08 |
| Apr | 4.97 | 4.96 | 0.01 |
| May | 5.35 | 5.18 | 0.17 |
| Jun | 4.95 | 4.85 | 0.10 |
| Jul | 4.49 | 4.47 | 0.02 |
| Aug | 3.77 | 3.59 | 0.18 |
| Sep | 3.33 | 3.29 | 0.04 |
| Oct | 3.42 | 3.37 | 0.05 |
| Nov | 3.48 | 3.38 | 0.10 |
| Dec | 3.97 | 4.12 | -0.15 |
48.51 | 48.03 | 0.48 |