| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.40 | -0.12 |
| Feb | 2.73 | 2.78 | -0.05 |
| Mar | 3.71 | 3.63 | 0.08 |
| Apr | 4.72 | 4.97 | -0.25 |
| May | 5.05 | 5.13 | -0.08 |
| Jun | 4.85 | 5.13 | -0.28 |
| Jul | 4.31 | 4.42 | -0.11 |
| Aug | 3.39 | 3.41 | -0.02 |
| Sep | 3.25 | 3.49 | -0.24 |
| Oct | 3.49 | 3.40 | 0.09 |
| Nov | 3.61 | 3.64 | -0.03 |
| Dec | 3.41 | 3.49 | -0.08 |
45.80 | 46.89 | -1.09 |