| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.33 | -0.10 |
| Feb | 3.94 | 3.96 | -0.02 |
| Mar | 4.51 | 4.61 | -0.10 |
| Apr | 3.86 | 4.19 | -0.33 |
| May | 4.05 | 4.04 | 0.01 |
| Jun | 4.24 | 4.25 | -0.01 |
| Jul | 4.25 | 4.69 | -0.44 |
| Aug | 4.73 | 4.92 | -0.19 |
| Sep | 3.85 | 4.01 | -0.16 |
| Oct | 3.39 | 3.72 | -0.33 |
| Nov | 3.77 | 4.02 | -0.25 |
| Dec | 4.53 | 4.88 | -0.35 |
49.35 | 51.62 | -2.27 |