| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.90 | 0.88 | 0.02 |
| Feb | 0.92 | 0.86 | 0.06 |
| Mar | 1.46 | 1.48 | -0.02 |
| Apr | 2.65 | 2.69 | -0.04 |
| May | 3.54 | 3.52 | 0.02 |
| Jun | 4.39 | 4.53 | -0.14 |
| Jul | 4.28 | 4.52 | -0.24 |
| Aug | 3.84 | 3.79 | 0.05 |
| Sep | 3.31 | 3.28 | 0.03 |
| Oct | 3.19 | 3.10 | 0.09 |
| Nov | 1.77 | 1.82 | -0.05 |
| Dec | 1.29 | 1.39 | -0.10 |
31.54 | 31.86 | -0.32 |