| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.65 | -0.21 |
| Feb | 2.85 | 2.87 | -0.02 |
| Mar | 3.87 | 3.86 | 0.01 |
| Apr | 3.38 | 3.63 | -0.25 |
| May | 3.79 | 3.99 | -0.20 |
| Jun | 4.41 | 4.56 | -0.15 |
| Jul | 5.48 | 5.27 | 0.21 |
| Aug | 5.17 | 5.65 | -0.48 |
| Sep | 5.08 | 5.19 | -0.11 |
| Oct | 3.94 | 4.22 | -0.28 |
| Nov | 3.19 | 3.37 | -0.18 |
| Dec | 3.27 | 3.55 | -0.28 |
47.87 | 49.81 | -1.94 |