| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.82 | 1.85 | -0.03 |
| Feb | 1.67 | 1.75 | -0.08 |
| Mar | 2.41 | 2.49 | -0.08 |
| Apr | 2.39 | 2.41 | -0.02 |
| May | 4.03 | 4.28 | -0.25 |
| Jun | 3.29 | 3.63 | -0.34 |
| Jul | 2.34 | 2.68 | -0.34 |
| Aug | 2.46 | 2.47 | -0.01 |
| Sep | 3.48 | 3.61 | -0.13 |
| Oct | 3.32 | 3.21 | 0.11 |
| Nov | 2.15 | 2.33 | -0.18 |
| Dec | 1.79 | 1.90 | -0.11 |
31.15 | 32.61 | -1.46 |