| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.55 | -0.10 |
| Feb | 2.02 | 2.14 | -0.12 |
| Mar | 2.24 | 2.32 | -0.08 |
| Apr | 3.62 | 3.61 | 0.01 |
| May | 4.19 | 4.25 | -0.06 |
| Jun | 4.10 | 3.89 | 0.21 |
| Jul | 3.93 | 3.78 | 0.15 |
| Aug | 3.85 | 3.89 | -0.04 |
| Sep | 3.19 | 3.01 | 0.18 |
| Oct | 3.25 | 3.15 | 0.10 |
| Nov | 2.83 | 2.89 | -0.06 |
| Dec | 2.45 | 2.34 | 0.11 |
38.12 | 37.82 | 0.30 |