| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.07 | 0.35 |
| Feb | 3.61 | 3.28 | 0.33 |
| Mar | 2.77 | 2.35 | 0.42 |
| Apr | 1.24 | 1.05 | 0.19 |
| May | 0.56 | 0.41 | 0.15 |
| Jun | 0.11 | 0.13 | -0.02 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.02 | 0.02 | 0.00 |
| Sep | 0.07 | 0.05 | 0.02 |
| Oct | 0.73 | 0.58 | 0.15 |
| Nov | 1.71 | 1.38 | 0.33 |
| Dec | 3.28 | 2.89 | 0.39 |
17.52 | 15.21 | 2.31 |