| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.47 | 3.43 | 0.04 |
| Feb | 3.16 | 3.12 | 0.04 |
| Mar | 3.46 | 3.54 | -0.08 |
| Apr | 3.13 | 3.22 | -0.09 |
| May | 3.50 | 3.27 | 0.23 |
| Jun | 5.85 | 6.17 | -0.32 |
| Jul | 5.66 | 5.72 | -0.06 |
| Aug | 5.89 | 6.61 | -0.72 |
| Sep | 4.68 | 4.84 | -0.16 |
| Oct | 3.58 | 4.24 | -0.66 |
| Nov | 2.25 | 2.52 | -0.27 |
| Dec | 3.01 | 3.31 | -0.30 |
47.64 | 49.99 | -2.35 |