| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.60 | 1.71 | -0.11 |
| Feb | 1.47 | 1.43 | 0.04 |
| Mar | 2.21 | 2.25 | -0.04 |
| Apr | 1.80 | 1.77 | 0.03 |
| May | 3.56 | 3.52 | 0.04 |
| Jun | 3.59 | 3.26 | 0.33 |
| Jul | 2.39 | 2.55 | -0.16 |
| Aug | 2.25 | 2.22 | 0.03 |
| Sep | 5.44 | 5.61 | -0.17 |
| Oct | 3.27 | 3.53 | -0.26 |
| Nov | 2.18 | 2.17 | 0.01 |
| Dec | 1.68 | 1.58 | 0.10 |
31.44 | 31.60 | -0.16 |