| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.31 | 4.44 | -0.13 |
| Feb | 3.64 | 3.81 | -0.17 |
| Mar | 3.68 | 3.69 | -0.01 |
| Apr | 3.54 | 3.61 | -0.07 |
| May | 4.20 | 4.20 | 0.00 |
| Jun | 5.00 | 4.35 | 0.65 |
| Jul | 6.08 | 5.59 | 0.49 |
| Aug | 7.52 | 7.34 | 0.18 |
| Sep | 7.94 | 8.36 | -0.42 |
| Oct | 4.54 | 4.84 | -0.30 |
| Nov | 4.06 | 4.34 | -0.28 |
| Dec | 4.14 | 4.33 | -0.19 |
58.65 | 58.90 | -0.25 |