| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.54 | -0.02 |
| Feb | 3.29 | 3.35 | -0.06 |
| Mar | 3.47 | 3.65 | -0.18 |
| Apr | 3.12 | 3.23 | -0.11 |
| May | 3.68 | 3.75 | -0.07 |
| Jun | 4.61 | 4.77 | -0.16 |
| Jul | 5.24 | 5.36 | -0.12 |
| Aug | 5.30 | 5.17 | 0.13 |
| Sep | 4.93 | 4.96 | -0.03 |
| Oct | 3.39 | 3.41 | -0.02 |
| Nov | 2.95 | 2.96 | -0.01 |
| Dec | 3.65 | 3.61 | 0.04 |
47.15 | 47.76 | -0.61 |