| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.60 | -0.12 |
| Feb | 3.38 | 3.63 | -0.25 |
| Mar | 4.41 | 4.69 | -0.28 |
| Apr | 4.21 | 4.45 | -0.24 |
| May | 3.84 | 4.16 | -0.32 |
| Jun | 4.17 | 4.55 | -0.38 |
| Jul | 3.64 | 3.55 | 0.09 |
| Aug | 3.46 | 3.70 | -0.24 |
| Sep | 3.81 | 3.93 | -0.12 |
| Oct | 4.86 | 5.02 | -0.16 |
| Nov | 3.94 | 3.99 | -0.05 |
| Dec | 4.52 | 4.85 | -0.33 |
47.72 | 50.12 | -2.40 |