| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.28 | -0.10 |
| Feb | 2.55 | 2.61 | -0.06 |
| Mar | 3.69 | 3.84 | -0.15 |
| Apr | 3.81 | 3.87 | -0.06 |
| May | 3.89 | 4.20 | -0.31 |
| Jun | 4.21 | 4.45 | -0.24 |
| Jul | 4.37 | 4.64 | -0.27 |
| Aug | 4.19 | 4.30 | -0.11 |
| Sep | 4.55 | 4.80 | -0.25 |
| Oct | 3.97 | 3.99 | -0.02 |
| Nov | 3.26 | 3.22 | 0.04 |
| Dec | 3.48 | 3.64 | -0.16 |
45.15 | 46.84 | -1.69 |