| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.72 | 0.09 |
| Feb | 3.19 | 3.14 | 0.05 |
| Mar | 3.54 | 3.69 | -0.15 |
| Apr | 4.12 | 4.26 | -0.14 |
| May | 4.23 | 4.32 | -0.09 |
| Jun | 4.87 | 5.04 | -0.17 |
| Jul | 4.84 | 4.75 | 0.09 |
| Aug | 4.84 | 4.54 | 0.30 |
| Sep | 4.12 | 4.07 | 0.05 |
| Oct | 4.72 | 4.82 | -0.10 |
| Nov | 3.68 | 3.89 | -0.21 |
| Dec | 4.08 | 4.20 | -0.12 |
50.04 | 50.44 | -0.40 |