| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.58 | 2.57 | 0.01 |
| Feb | 2.15 | 2.03 | 0.12 |
| Mar | 2.72 | 2.79 | -0.07 |
| Apr | 2.39 | 2.48 | -0.09 |
| May | 3.36 | 3.18 | 0.18 |
| Jun | 8.07 | 8.27 | -0.20 |
| Jul | 7.73 | 8.19 | -0.46 |
| Aug | 9.05 | 8.69 | 0.36 |
| Sep | 7.59 | 7.63 | -0.04 |
| Oct | 3.10 | 3.16 | -0.06 |
| Nov | 1.90 | 1.71 | 0.19 |
| Dec | 2.20 | 2.15 | 0.05 |
52.84 | 52.85 | -0.01 |