| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.06 | 0.13 |
| Feb | 2.82 | 2.78 | 0.04 |
| Mar | 3.20 | 3.29 | -0.09 |
| Apr | 2.66 | 2.54 | 0.12 |
| May | 3.05 | 3.25 | -0.20 |
| Jun | 7.44 | 8.15 | -0.71 |
| Jul | 8.10 | 8.21 | -0.11 |
| Aug | 8.02 | 8.57 | -0.55 |
| Sep | 5.85 | 6.15 | -0.30 |
| Oct | 2.74 | 2.66 | 0.08 |
| Nov | 1.90 | 1.92 | -0.02 |
| Dec | 2.52 | 2.73 | -0.21 |
51.49 | 53.31 | -1.82 |