| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.42 | -0.30 |
| Feb | 3.58 | 3.79 | -0.21 |
| Mar | 3.64 | 3.60 | 0.04 |
| Apr | 3.49 | 3.65 | -0.16 |
| May | 4.22 | 4.33 | -0.11 |
| Jun | 5.10 | 4.89 | 0.21 |
| Jul | 6.33 | 6.42 | -0.09 |
| Aug | 7.30 | 7.51 | -0.21 |
| Sep | 7.73 | 8.25 | -0.52 |
| Oct | 4.32 | 5.08 | -0.76 |
| Nov | 3.84 | 4.39 | -0.55 |
| Dec | 3.99 | 4.26 | -0.27 |
57.66 | 60.59 | -2.93 |