| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.08 | 4.77 | 0.31 |
| Feb | 5.35 | 5.39 | -0.04 |
| Mar | 3.35 | 3.14 | 0.21 |
| Apr | 1.51 | 1.36 | 0.15 |
| May | 0.55 | 0.50 | 0.05 |
| Jun | 0.10 | 0.16 | -0.06 |
| Jul | 0.59 | 0.78 | -0.19 |
| Aug | 0.53 | 0.57 | -0.04 |
| Sep | 0.42 | 0.57 | -0.15 |
| Oct | 0.85 | 1.09 | -0.24 |
| Nov | 1.56 | 1.60 | -0.04 |
| Dec | 3.61 | 3.44 | 0.17 |
23.50 | 23.37 | 0.13 |