| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.20 | 3.42 | -0.22 |
| Feb | 2.78 | 2.75 | 0.03 |
| Mar | 3.91 | 3.90 | 0.01 |
| Apr | 3.73 | 3.69 | 0.04 |
| May | 3.87 | 3.85 | 0.02 |
| Jun | 4.39 | 4.08 | 0.31 |
| Jul | 4.84 | 4.72 | 0.12 |
| Aug | 4.38 | 4.51 | -0.13 |
| Sep | 4.75 | 4.63 | 0.12 |
| Oct | 4.12 | 4.20 | -0.08 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 4.13 | 4.22 | -0.09 |
47.28 | 47.19 | 0.09 |