| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.93 | 4.94 | -0.01 |
| Feb | 4.77 | 4.81 | -0.04 |
| Mar | 4.94 | 5.06 | -0.12 |
| Apr | 4.11 | 4.30 | -0.19 |
| May | 3.90 | 4.18 | -0.28 |
| Jun | 4.38 | 4.33 | 0.05 |
| Jul | 5.10 | 5.13 | -0.03 |
| Aug | 4.13 | 4.11 | 0.02 |
| Sep | 3.81 | 4.06 | -0.25 |
| Oct | 3.45 | 3.46 | -0.01 |
| Nov | 4.20 | 4.35 | -0.15 |
| Dec | 4.71 | 4.72 | -0.01 |
52.43 | 53.45 | -1.02 |