| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.40 | 5.82 | -0.42 |
| Feb | 5.25 | 5.56 | -0.31 |
| Mar | 5.63 | 5.51 | 0.12 |
| Apr | 5.08 | 4.99 | 0.09 |
| May | 4.06 | 4.63 | -0.57 |
| Jun | 4.51 | 4.33 | 0.18 |
| Jul | 4.99 | 5.02 | -0.03 |
| Aug | 3.85 | 3.84 | 0.01 |
| Sep | 3.96 | 4.17 | -0.21 |
| Oct | 3.57 | 3.45 | 0.12 |
| Nov | 4.63 | 4.69 | -0.06 |
| Dec | 5.62 | 6.01 | -0.39 |
56.55 | 58.02 | -1.47 |