| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.19 | 4.30 | -0.11 |
| Feb | 3.68 | 3.85 | -0.17 |
| Mar | 4.56 | 4.61 | -0.05 |
| Apr | 4.28 | 4.35 | -0.07 |
| May | 3.79 | 3.94 | -0.15 |
| Jun | 4.26 | 4.41 | -0.15 |
| Jul | 4.27 | 4.33 | -0.06 |
| Aug | 4.44 | 4.55 | -0.11 |
| Sep | 3.87 | 4.13 | -0.26 |
| Oct | 3.58 | 3.77 | -0.19 |
| Nov | 3.78 | 3.94 | -0.16 |
| Dec | 4.31 | 4.63 | -0.32 |
49.01 | 50.81 | -1.80 |