| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.37 | 3.43 | -0.06 |
| Feb | 2.61 | 2.72 | -0.11 |
| Mar | 3.57 | 3.62 | -0.05 |
| Apr | 4.96 | 5.03 | -0.07 |
| May | 5.18 | 5.21 | -0.03 |
| Jun | 4.97 | 5.12 | -0.15 |
| Jul | 4.60 | 4.62 | -0.02 |
| Aug | 3.41 | 3.25 | 0.16 |
| Sep | 3.50 | 3.60 | -0.10 |
| Oct | 3.73 | 3.68 | 0.05 |
| Nov | 3.93 | 3.94 | -0.01 |
| Dec | 3.26 | 3.39 | -0.13 |
47.09 | 47.61 | -0.52 |