| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.08 | 1.21 | -0.13 |
| Feb | 1.08 | 1.15 | -0.07 |
| Mar | 1.34 | 1.45 | -0.11 |
| Apr | 1.39 | 1.69 | -0.30 |
| May | 2.03 | 2.14 | -0.11 |
| Jun | 2.91 | 2.82 | 0.09 |
| Jul | 1.94 | 2.55 | -0.61 |
| Aug | 2.04 | 2.05 | -0.01 |
| Sep | 5.42 | 5.74 | -0.32 |
| Oct | 3.34 | 3.49 | -0.15 |
| Nov | 1.75 | 1.80 | -0.05 |
| Dec | 1.29 | 1.36 | -0.07 |
25.61 | 27.45 | -1.84 |