| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.42 | 3.66 | -0.24 |
| Feb | 2.95 | 3.12 | -0.17 |
| Mar | 3.78 | 4.02 | -0.24 |
| Apr | 3.79 | 3.96 | -0.17 |
| May | 3.69 | 3.58 | 0.11 |
| Jun | 4.02 | 4.08 | -0.06 |
| Jul | 4.34 | 4.22 | 0.12 |
| Aug | 4.13 | 4.36 | -0.23 |
| Sep | 4.05 | 4.17 | -0.12 |
| Oct | 3.15 | 3.21 | -0.06 |
| Nov | 3.22 | 3.33 | -0.11 |
| Dec | 3.40 | 3.68 | -0.28 |
43.94 | 45.39 | -1.45 |