| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.95 | 3.97 | -0.02 |
| Feb | 3.66 | 3.80 | -0.14 |
| Mar | 4.28 | 4.39 | -0.11 |
| Apr | 2.92 | 3.12 | -0.20 |
| May | 3.18 | 3.06 | 0.12 |
| Jun | 4.56 | 4.66 | -0.10 |
| Jul | 4.39 | 4.41 | -0.02 |
| Aug | 4.62 | 4.91 | -0.29 |
| Sep | 3.62 | 3.84 | -0.22 |
| Oct | 2.72 | 2.81 | -0.09 |
| Nov | 2.95 | 3.15 | -0.20 |
| Dec | 3.97 | 4.07 | -0.10 |
44.82 | 46.19 | -1.37 |