| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.82 | 2.01 | -0.19 |
| Feb | 1.79 | 1.91 | -0.12 |
| Mar | 2.31 | 2.29 | 0.02 |
| Apr | 3.79 | 3.81 | -0.02 |
| May | 4.72 | 4.73 | -0.01 |
| Jun | 4.42 | 4.35 | 0.07 |
| Jul | 3.73 | 3.75 | -0.02 |
| Aug | 3.86 | 3.97 | -0.11 |
| Sep | 3.29 | 3.28 | 0.01 |
| Oct | 3.36 | 3.44 | -0.08 |
| Nov | 2.50 | 2.58 | -0.08 |
| Dec | 2.05 | 2.16 | -0.11 |
37.64 | 38.28 | -0.64 |