| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.39 | 3.56 | -0.17 |
| Feb | 2.68 | 2.90 | -0.22 |
| Mar | 3.75 | 3.86 | -0.11 |
| Apr | 3.74 | 3.82 | -0.08 |
| May | 3.74 | 3.89 | -0.15 |
| Jun | 4.33 | 4.59 | -0.26 |
| Jul | 4.81 | 5.10 | -0.29 |
| Aug | 4.57 | 4.70 | -0.13 |
| Sep | 4.56 | 4.77 | -0.21 |
| Oct | 4.24 | 4.44 | -0.20 |
| Nov | 3.36 | 3.35 | 0.01 |
| Dec | 3.86 | 4.17 | -0.31 |
47.03 | 49.15 | -2.12 |