| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.84 | 2.99 | -0.15 |
| Feb | 2.38 | 2.49 | -0.11 |
| Mar | 3.19 | 3.40 | -0.21 |
| Apr | 4.26 | 4.41 | -0.15 |
| May | 4.59 | 4.78 | -0.19 |
| Jun | 5.09 | 5.12 | -0.03 |
| Jul | 4.22 | 4.35 | -0.13 |
| Aug | 3.43 | 3.21 | 0.22 |
| Sep | 3.32 | 3.40 | -0.08 |
| Oct | 3.26 | 3.25 | 0.01 |
| Nov | 3.42 | 3.44 | -0.02 |
| Dec | 2.88 | 2.98 | -0.10 |
42.88 | 43.82 | -0.94 |