| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.95 | 3.27 | -0.32 |
| Feb | 2.12 | 2.44 | -0.32 |
| Mar | 2.60 | 2.82 | -0.22 |
| Apr | 3.27 | 3.46 | -0.19 |
| May | 3.19 | 3.46 | -0.27 |
| Jun | 3.45 | 3.41 | 0.04 |
| Jul | 3.77 | 3.39 | 0.38 |
| Aug | 3.40 | 3.50 | -0.10 |
| Sep | 3.86 | 4.10 | -0.24 |
| Oct | 3.93 | 4.50 | -0.57 |
| Nov | 3.31 | 4.16 | -0.85 |
| Dec | 3.43 | 3.76 | -0.33 |
39.28 | 42.27 | -2.99 |