| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.51 | 0.17 |
| Feb | 0.74 | 0.58 | 0.16 |
| Mar | 1.55 | 1.17 | 0.38 |
| Apr | 2.37 | 1.98 | 0.39 |
| May | 2.46 | 2.22 | 0.24 |
| Jun | 2.11 | 2.08 | 0.03 |
| Jul | 3.21 | 2.86 | 0.35 |
| Aug | 2.84 | 3.30 | -0.46 |
| Sep | 1.51 | 1.68 | -0.17 |
| Oct | 1.15 | 0.87 | 0.28 |
| Nov | 0.87 | 0.68 | 0.19 |
| Dec | 0.68 | 0.53 | 0.15 |
20.17 | 18.46 | 1.71 |