| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.52 | 5.77 | -0.25 |
| Feb | 5.24 | 5.41 | -0.17 |
| Mar | 5.51 | 5.65 | -0.14 |
| Apr | 4.88 | 5.08 | -0.20 |
| May | 4.32 | 4.46 | -0.14 |
| Jun | 4.80 | 5.08 | -0.28 |
| Jul | 4.91 | 5.14 | -0.23 |
| Aug | 4.84 | 5.23 | -0.39 |
| Sep | 4.35 | 4.39 | -0.04 |
| Oct | 4.15 | 4.39 | -0.24 |
| Nov | 4.81 | 4.82 | -0.01 |
| Dec | 5.75 | 5.85 | -0.10 |
59.08 | 61.27 | -2.19 |