| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.62 | -0.18 |
| Feb | 2.46 | 2.53 | -0.07 |
| Mar | 3.79 | 3.89 | -0.10 |
| Apr | 4.62 | 4.84 | -0.22 |
| May | 5.22 | 5.48 | -0.26 |
| Jun | 4.11 | 4.39 | -0.28 |
| Jul | 4.08 | 4.21 | -0.13 |
| Aug | 3.97 | 4.11 | -0.14 |
| Sep | 3.78 | 3.96 | -0.18 |
| Oct | 3.22 | 3.26 | -0.04 |
| Nov | 3.69 | 3.81 | -0.12 |
| Dec | 2.56 | 2.71 | -0.15 |
43.94 | 45.81 | -1.87 |