| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.83 | -0.15 |
| Feb | 1.62 | 1.78 | -0.16 |
| Mar | 2.17 | 2.27 | -0.10 |
| Apr | 3.70 | 3.91 | -0.21 |
| May | 3.84 | 3.87 | -0.03 |
| Jun | 4.12 | 4.03 | 0.09 |
| Jul | 3.26 | 3.01 | 0.25 |
| Aug | 3.55 | 3.46 | 0.09 |
| Sep | 3.26 | 3.16 | 0.10 |
| Oct | 3.03 | 3.06 | -0.03 |
| Nov | 2.28 | 2.43 | -0.15 |
| Dec | 1.90 | 2.02 | -0.12 |
34.41 | 34.83 | -0.42 |