| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.37 | 1.39 | -0.02 |
| Feb | 1.41 | 1.10 | 0.31 |
| Mar | 1.61 | 1.44 | 0.17 |
| Apr | 2.19 | 1.85 | 0.34 |
| May | 2.70 | 2.69 | 0.01 |
| Jun | 2.68 | 2.96 | -0.28 |
| Jul | 1.13 | 1.39 | -0.26 |
| Aug | 1.01 | 1.15 | -0.14 |
| Sep | 1.35 | 1.37 | -0.02 |
| Oct | 1.63 | 1.20 | 0.43 |
| Nov | 1.53 | 1.46 | 0.07 |
| Dec | 1.69 | 1.28 | 0.41 |
20.30 | 19.28 | 1.02 |