| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.36 | 3.49 | -0.13 |
| Feb | 2.96 | 3.00 | -0.04 |
| Mar | 3.96 | 3.89 | 0.07 |
| Apr | 4.00 | 3.96 | 0.04 |
| May | 3.83 | 3.94 | -0.11 |
| Jun | 4.37 | 4.49 | -0.12 |
| Jul | 4.31 | 4.59 | -0.28 |
| Aug | 4.30 | 4.71 | -0.41 |
| Sep | 4.48 | 4.29 | 0.19 |
| Oct | 4.69 | 4.81 | -0.12 |
| Nov | 3.80 | 3.79 | 0.01 |
| Dec | 4.12 | 4.35 | -0.23 |
48.18 | 49.31 | -1.13 |