| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.35 | -0.32 |
| Feb | 3.38 | 3.71 | -0.33 |
| Mar | 4.28 | 4.58 | -0.30 |
| Apr | 4.20 | 4.64 | -0.44 |
| May | 3.85 | 4.30 | -0.45 |
| Jun | 4.34 | 4.63 | -0.29 |
| Jul | 4.22 | 4.77 | -0.55 |
| Aug | 4.30 | 4.61 | -0.31 |
| Sep | 4.03 | 4.35 | -0.32 |
| Oct | 3.34 | 3.78 | -0.44 |
| Nov | 3.73 | 3.84 | -0.11 |
| Dec | 4.24 | 4.64 | -0.40 |
47.94 | 52.20 | -4.26 |