| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.79 | -0.33 |
| Feb | 3.05 | 3.44 | -0.39 |
| Mar | 4.17 | 4.65 | -0.48 |
| Apr | 3.96 | 4.14 | -0.18 |
| May | 3.39 | 3.49 | -0.10 |
| Jun | 3.69 | 3.80 | -0.11 |
| Jul | 2.99 | 3.03 | -0.04 |
| Aug | 3.66 | 4.03 | -0.37 |
| Sep | 3.87 | 4.20 | -0.33 |
| Oct | 4.48 | 4.55 | -0.07 |
| Nov | 3.66 | 3.68 | -0.02 |
| Dec | 4.37 | 4.58 | -0.21 |
44.75 | 47.38 | -2.63 |