| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.15 | 1.27 | -0.12 |
| Feb | 1.50 | 1.65 | -0.15 |
| Mar | 2.35 | 2.49 | -0.14 |
| Apr | 3.99 | 4.11 | -0.12 |
| May | 5.41 | 5.42 | -0.01 |
| Jun | 5.25 | 5.30 | -0.05 |
| Jul | 4.72 | 4.64 | 0.08 |
| Aug | 4.40 | 4.39 | 0.01 |
| Sep | 3.84 | 4.25 | -0.41 |
| Oct | 3.26 | 3.42 | -0.16 |
| Nov | 2.12 | 2.22 | -0.10 |
| Dec | 1.61 | 1.72 | -0.11 |
39.60 | 40.88 | -1.28 |