| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.68 | 1.82 | -0.14 |
| Feb | 1.62 | 1.75 | -0.13 |
| Mar | 2.17 | 2.22 | -0.05 |
| Apr | 3.70 | 3.90 | -0.20 |
| May | 3.84 | 3.94 | -0.10 |
| Jun | 4.12 | 4.11 | 0.01 |
| Jul | 3.26 | 3.12 | 0.14 |
| Aug | 3.55 | 3.49 | 0.06 |
| Sep | 3.26 | 3.22 | 0.04 |
| Oct | 3.03 | 3.03 | 0.00 |
| Nov | 2.28 | 2.42 | -0.14 |
| Dec | 1.90 | 1.99 | -0.09 |
34.41 | 35.01 | -0.60 |