| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.08 | 3.16 | -0.08 |
| Feb | 2.73 | 2.79 | -0.06 |
| Mar | 3.26 | 3.36 | -0.10 |
| Apr | 3.50 | 3.78 | -0.28 |
| May | 3.60 | 3.70 | -0.10 |
| Jun | 4.22 | 4.47 | -0.25 |
| Jul | 4.51 | 4.55 | -0.04 |
| Aug | 3.84 | 3.78 | 0.06 |
| Sep | 3.84 | 3.76 | 0.08 |
| Oct | 4.81 | 5.12 | -0.31 |
| Nov | 3.77 | 3.81 | -0.04 |
| Dec | 4.06 | 4.11 | -0.05 |
45.22 | 46.39 | -1.17 |