| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.40 | 3.58 | -0.18 |
| Feb | 2.79 | 2.84 | -0.05 |
| Mar | 4.13 | 4.37 | -0.24 |
| Apr | 3.69 | 3.66 | 0.03 |
| May | 3.62 | 3.75 | -0.13 |
| Jun | 4.24 | 4.29 | -0.05 |
| Jul | 4.78 | 4.75 | 0.03 |
| Aug | 4.35 | 4.75 | -0.40 |
| Sep | 4.12 | 4.11 | 0.01 |
| Oct | 3.82 | 4.04 | -0.22 |
| Nov | 3.21 | 3.24 | -0.03 |
| Dec | 4.18 | 4.35 | -0.17 |
46.33 | 47.73 | -1.40 |