| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.66 | 4.78 | -0.12 |
| Feb | 3.41 | 3.69 | -0.28 |
| Mar | 3.72 | 3.89 | -0.17 |
| Apr | 3.94 | 4.37 | -0.43 |
| May | 5.04 | 5.52 | -0.48 |
| Jun | 5.70 | 5.64 | 0.06 |
| Jul | 4.69 | 4.59 | 0.10 |
| Aug | 5.78 | 6.00 | -0.22 |
| Sep | 5.72 | 6.21 | -0.49 |
| Oct | 5.38 | 6.14 | -0.76 |
| Nov | 4.63 | 4.84 | -0.21 |
| Dec | 4.61 | 4.94 | -0.33 |
57.28 | 60.61 | -3.33 |