| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.39 | -0.37 |
| Feb | 2.51 | 2.90 | -0.39 |
| Mar | 3.31 | 3.62 | -0.31 |
| Apr | 3.45 | 3.68 | -0.23 |
| May | 3.52 | 3.65 | -0.13 |
| Jun | 4.32 | 4.28 | 0.04 |
| Jul | 4.22 | 4.44 | -0.22 |
| Aug | 4.38 | 4.53 | -0.15 |
| Sep | 4.27 | 4.45 | -0.18 |
| Oct | 4.35 | 4.48 | -0.13 |
| Nov | 3.33 | 3.43 | -0.10 |
| Dec | 3.69 | 4.17 | -0.48 |
44.37 | 47.02 | -2.65 |