| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.67 | 2.77 | -0.10 |
| Feb | 2.28 | 2.39 | -0.11 |
| Mar | 3.36 | 3.38 | -0.02 |
| Apr | 3.39 | 3.53 | -0.14 |
| May | 4.10 | 4.14 | -0.04 |
| Jun | 3.74 | 3.91 | -0.17 |
| Jul | 3.86 | 3.66 | 0.20 |
| Aug | 3.13 | 3.21 | -0.08 |
| Sep | 4.00 | 4.32 | -0.32 |
| Oct | 3.05 | 3.33 | -0.28 |
| Nov | 2.88 | 2.86 | 0.02 |
| Dec | 3.18 | 3.31 | -0.13 |
39.64 | 40.81 | -1.17 |