| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.30 | 4.45 | -0.15 |
| Feb | 3.63 | 3.83 | -0.20 |
| Mar | 3.67 | 3.71 | -0.04 |
| Apr | 3.53 | 3.64 | -0.11 |
| May | 4.19 | 4.26 | -0.07 |
| Jun | 4.97 | 4.43 | 0.54 |
| Jul | 6.11 | 5.90 | 0.21 |
| Aug | 7.49 | 7.41 | 0.08 |
| Sep | 7.84 | 8.32 | -0.48 |
| Oct | 4.49 | 4.81 | -0.32 |
| Nov | 4.04 | 4.35 | -0.31 |
| Dec | 4.13 | 4.33 | -0.20 |
58.39 | 59.44 | -1.05 |