| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.95 | 4.02 | -0.07 |
| Feb | 3.68 | 3.71 | -0.03 |
| Mar | 4.33 | 4.41 | -0.08 |
| Apr | 3.10 | 3.07 | 0.03 |
| May | 3.17 | 3.28 | -0.11 |
| Jun | 4.40 | 4.34 | 0.06 |
| Jul | 4.12 | 4.11 | 0.01 |
| Aug | 4.32 | 4.49 | -0.17 |
| Sep | 3.72 | 3.88 | -0.16 |
| Oct | 3.06 | 3.01 | 0.05 |
| Nov | 3.29 | 3.28 | 0.01 |
| Dec | 4.17 | 4.15 | 0.02 |
45.31 | 45.75 | -0.44 |