| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.14 | 4.35 | -0.21 |
| Feb | 3.61 | 3.71 | -0.10 |
| Mar | 3.65 | 3.59 | 0.06 |
| Apr | 3.49 | 3.58 | -0.09 |
| May | 4.22 | 4.32 | -0.10 |
| Jun | 5.13 | 4.83 | 0.30 |
| Jul | 6.30 | 6.22 | 0.08 |
| Aug | 7.34 | 7.40 | -0.06 |
| Sep | 7.82 | 8.10 | -0.28 |
| Oct | 4.38 | 4.94 | -0.56 |
| Nov | 3.86 | 4.25 | -0.39 |
| Dec | 4.03 | 4.23 | -0.20 |
57.97 | 59.52 | -1.55 |