| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.19 | 2.02 | 0.17 |
| Feb | 1.59 | 1.53 | 0.06 |
| Mar | 2.06 | 2.03 | 0.03 |
| Apr | 3.25 | 3.55 | -0.30 |
| May | 3.20 | 3.33 | -0.13 |
| Jun | 3.30 | 3.61 | -0.31 |
| Jul | 3.04 | 3.14 | -0.10 |
| Aug | 3.01 | 3.24 | -0.23 |
| Sep | 3.12 | 3.21 | -0.09 |
| Oct | 3.97 | 3.84 | 0.13 |
| Nov | 3.05 | 3.02 | 0.03 |
| Dec | 2.32 | 2.53 | -0.21 |
34.10 | 35.05 | -0.95 |