| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.21 | 0.07 |
| Feb | 2.29 | 2.55 | -0.26 |
| Mar | 3.29 | 3.35 | -0.06 |
| Apr | 3.35 | 3.37 | -0.02 |
| May | 4.51 | 4.52 | -0.01 |
| Jun | 4.48 | 4.85 | -0.37 |
| Jul | 2.97 | 3.08 | -0.11 |
| Aug | 3.08 | 3.47 | -0.39 |
| Sep | 4.13 | 4.29 | -0.16 |
| Oct | 4.42 | 4.50 | -0.08 |
| Nov | 3.48 | 3.41 | 0.07 |
| Dec | 2.90 | 2.95 | -0.05 |
42.18 | 43.55 | -1.37 |