| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.51 | -0.21 |
| Feb | 2.91 | 3.15 | -0.24 |
| Mar | 3.36 | 3.43 | -0.07 |
| Apr | 3.84 | 4.25 | -0.41 |
| May | 5.04 | 5.22 | -0.18 |
| Jun | 5.51 | 5.83 | -0.32 |
| Jul | 4.37 | 4.52 | -0.15 |
| Aug | 5.31 | 5.82 | -0.51 |
| Sep | 5.77 | 6.12 | -0.35 |
| Oct | 5.17 | 5.61 | -0.44 |
| Nov | 4.17 | 4.74 | -0.57 |
| Dec | 4.32 | 4.51 | -0.19 |
54.07 | 57.71 | -3.64 |