| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.51 | 0.57 | -0.06 |
| Feb | 0.57 | 0.56 | 0.01 |
| Mar | 1.18 | 1.33 | -0.15 |
| Apr | 2.04 | 2.04 | 0.00 |
| May | 2.46 | 2.40 | 0.06 |
| Jun | 2.04 | 2.31 | -0.27 |
| Jul | 2.65 | 2.84 | -0.19 |
| Aug | 2.29 | 2.23 | 0.06 |
| Sep | 1.28 | 1.39 | -0.11 |
| Oct | 0.93 | 1.06 | -0.13 |
| Nov | 0.63 | 0.64 | -0.01 |
| Dec | 0.52 | 0.57 | -0.05 |
17.10 | 17.94 | -0.84 |