| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.52 | 3.64 | -0.12 |
| Feb | 3.14 | 3.26 | -0.12 |
| Mar | 4.23 | 4.34 | -0.11 |
| Apr | 4.31 | 4.48 | -0.17 |
| May | 3.89 | 3.96 | -0.07 |
| Jun | 4.28 | 4.34 | -0.06 |
| Jul | 3.77 | 3.87 | -0.10 |
| Aug | 3.87 | 4.18 | -0.31 |
| Sep | 4.47 | 4.41 | 0.06 |
| Oct | 4.53 | 4.70 | -0.17 |
| Nov | 3.76 | 3.72 | 0.04 |
| Dec | 4.39 | 4.44 | -0.05 |
48.16 | 49.34 | -1.18 |