| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.37 | 0.35 | 0.02 |
| Feb | 0.39 | 0.34 | 0.05 |
| Mar | 0.86 | 0.85 | 0.01 |
| Apr | 1.39 | 1.35 | 0.04 |
| May | 2.05 | 1.88 | 0.17 |
| Jun | 2.44 | 2.26 | 0.18 |
| Jul | 2.81 | 2.85 | -0.04 |
| Aug | 2.83 | 2.77 | 0.06 |
| Sep | 1.21 | 1.22 | -0.01 |
| Oct | 1.24 | 1.24 | 0.00 |
| Nov | 0.57 | 0.46 | 0.11 |
| Dec | 0.49 | 0.53 | -0.04 |
16.65 | 16.10 | 0.55 |