| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.51 | 3.52 | -0.01 |
| Feb | 3.12 | 3.21 | -0.09 |
| Mar | 3.39 | 3.49 | -0.10 |
| Apr | 3.07 | 3.15 | -0.08 |
| May | 3.54 | 3.45 | 0.09 |
| Jun | 4.51 | 4.61 | -0.10 |
| Jul | 4.81 | 4.78 | 0.03 |
| Aug | 4.84 | 4.98 | -0.14 |
| Sep | 4.89 | 5.10 | -0.21 |
| Oct | 3.14 | 3.28 | -0.14 |
| Nov | 3.18 | 3.26 | -0.08 |
| Dec | 3.51 | 3.54 | -0.03 |
45.51 | 46.37 | -0.86 |