| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.03 | 4.32 | -0.29 |
| Feb | 3.38 | 3.70 | -0.32 |
| Mar | 4.28 | 4.56 | -0.28 |
| Apr | 4.20 | 4.52 | -0.32 |
| May | 3.85 | 4.20 | -0.35 |
| Jun | 4.34 | 4.53 | -0.19 |
| Jul | 4.22 | 4.65 | -0.43 |
| Aug | 4.30 | 4.51 | -0.21 |
| Sep | 4.03 | 4.34 | -0.31 |
| Oct | 3.34 | 3.75 | -0.41 |
| Nov | 3.73 | 3.85 | -0.12 |
| Dec | 4.24 | 4.64 | -0.40 |
47.94 | 51.57 | -3.63 |