| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.02 | 3.24 | -0.22 |
| Feb | 2.68 | 2.84 | -0.16 |
| Mar | 3.39 | 3.61 | -0.22 |
| Apr | 3.88 | 4.07 | -0.19 |
| May | 3.87 | 3.92 | -0.05 |
| Jun | 4.81 | 4.71 | 0.10 |
| Jul | 4.68 | 4.63 | 0.05 |
| Aug | 4.46 | 4.50 | -0.04 |
| Sep | 4.07 | 3.84 | 0.23 |
| Oct | 4.37 | 4.33 | 0.04 |
| Nov | 3.39 | 3.55 | -0.16 |
| Dec | 3.58 | 3.72 | -0.14 |
46.20 | 46.96 | -0.76 |