| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.01 | 3.20 | -0.19 |
| Feb | 2.82 | 3.12 | -0.30 |
| Mar | 3.99 | 4.15 | -0.16 |
| Apr | 3.71 | 3.84 | -0.13 |
| May | 4.40 | 4.61 | -0.21 |
| Jun | 3.90 | 4.18 | -0.28 |
| Jul | 4.26 | 4.70 | -0.44 |
| Aug | 3.26 | 3.39 | -0.13 |
| Sep | 3.07 | 3.29 | -0.22 |
| Oct | 2.81 | 2.96 | -0.15 |
| Nov | 2.42 | 2.72 | -0.30 |
| Dec | 3.43 | 3.61 | -0.18 |
41.08 | 43.77 | -2.69 |