| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.25 | 1.17 | 0.08 |
| Feb | 1.44 | 1.48 | -0.04 |
| Mar | 2.47 | 2.55 | -0.08 |
| Apr | 3.47 | 3.42 | 0.05 |
| May | 5.01 | 5.08 | -0.07 |
| Jun | 4.55 | 4.56 | -0.01 |
| Jul | 3.35 | 3.30 | 0.05 |
| Aug | 3.47 | 3.32 | 0.15 |
| Sep | 3.32 | 3.52 | -0.20 |
| Oct | 3.19 | 3.15 | 0.04 |
| Nov | 1.87 | 1.79 | 0.08 |
| Dec | 1.73 | 1.74 | -0.01 |
35.12 | 35.08 | 0.04 |