| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.41 | -0.28 |
| Feb | 2.80 | 2.96 | -0.16 |
| Mar | 3.99 | 4.22 | -0.23 |
| Apr | 3.37 | 3.53 | -0.16 |
| May | 3.39 | 3.83 | -0.44 |
| Jun | 4.11 | 4.09 | 0.02 |
| Jul | 4.39 | 4.14 | 0.25 |
| Aug | 4.56 | 4.71 | -0.15 |
| Sep | 4.04 | 4.37 | -0.33 |
| Oct | 3.84 | 4.15 | -0.31 |
| Nov | 3.19 | 3.26 | -0.07 |
| Dec | 3.83 | 4.02 | -0.19 |
44.64 | 46.69 | -2.05 |