| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.18 | -0.04 |
| Feb | 4.22 | 4.25 | -0.03 |
| Mar | 4.58 | 4.62 | -0.04 |
| Apr | 3.38 | 3.49 | -0.11 |
| May | 3.05 | 3.09 | -0.04 |
| Jun | 3.92 | 4.28 | -0.36 |
| Jul | 3.96 | 4.19 | -0.23 |
| Aug | 4.42 | 4.40 | 0.02 |
| Sep | 3.79 | 3.89 | -0.10 |
| Oct | 2.72 | 2.84 | -0.12 |
| Nov | 3.19 | 3.35 | -0.16 |
| Dec | 4.32 | 4.44 | -0.12 |
45.69 | 47.02 | -1.33 |