| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.37 | -0.32 |
| Feb | 2.66 | 2.97 | -0.31 |
| Mar | 3.52 | 3.87 | -0.35 |
| Apr | 3.64 | 3.92 | -0.28 |
| May | 3.43 | 3.63 | -0.20 |
| Jun | 4.21 | 4.48 | -0.27 |
| Jul | 3.99 | 4.11 | -0.12 |
| Aug | 4.07 | 4.17 | -0.10 |
| Sep | 4.11 | 4.42 | -0.31 |
| Oct | 4.33 | 4.66 | -0.33 |
| Nov | 3.35 | 3.62 | -0.27 |
| Dec | 3.89 | 4.25 | -0.36 |
44.25 | 47.47 | -3.22 |