| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.41 | 0.04 |
| Feb | 3.17 | 3.11 | 0.06 |
| Mar | 3.47 | 3.53 | -0.06 |
| Apr | 3.13 | 3.21 | -0.08 |
| May | 3.34 | 3.25 | 0.09 |
| Jun | 5.85 | 6.18 | -0.33 |
| Jul | 5.61 | 5.72 | -0.11 |
| Aug | 6.03 | 6.73 | -0.70 |
| Sep | 4.85 | 4.97 | -0.12 |
| Oct | 3.59 | 4.30 | -0.71 |
| Nov | 2.18 | 2.49 | -0.31 |
| Dec | 3.01 | 3.30 | -0.29 |
47.68 | 50.20 | -2.52 |