| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.15 | -0.03 |
| Feb | 3.74 | 3.83 | -0.09 |
| Mar | 4.51 | 4.56 | -0.05 |
| Apr | 3.49 | 3.51 | -0.02 |
| May | 3.40 | 3.38 | 0.02 |
| Jun | 4.10 | 3.95 | 0.15 |
| Jul | 3.67 | 3.82 | -0.15 |
| Aug | 4.11 | 4.17 | -0.06 |
| Sep | 3.62 | 3.64 | -0.02 |
| Oct | 3.28 | 3.30 | -0.02 |
| Nov | 3.55 | 3.70 | -0.15 |
| Dec | 4.22 | 4.39 | -0.17 |
45.81 | 46.40 | -0.59 |