| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.94 | 2.21 | -0.27 |
| Feb | 1.32 | 1.64 | -0.32 |
| Mar | 1.76 | 1.86 | -0.10 |
| Apr | 2.84 | 3.06 | -0.22 |
| May | 3.10 | 2.96 | 0.14 |
| Jun | 2.79 | 2.87 | -0.08 |
| Jul | 2.83 | 2.96 | -0.13 |
| Aug | 3.09 | 3.19 | -0.10 |
| Sep | 3.42 | 3.45 | -0.03 |
| Oct | 3.86 | 3.90 | -0.04 |
| Nov | 2.55 | 2.79 | -0.24 |
| Dec | 2.12 | 2.36 | -0.24 |
31.62 | 33.25 | -1.63 |