| 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 | 4.23 | -0.24 |
| Apr | 3.37 | 3.54 | -0.17 |
| May | 3.39 | 3.83 | -0.44 |
| Jun | 4.11 | 4.10 | 0.01 |
| Jul | 4.39 | 4.14 | 0.25 |
| Aug | 4.56 | 4.72 | -0.16 |
| Sep | 4.04 | 4.33 | -0.29 |
| Oct | 3.84 | 4.12 | -0.28 |
| Nov | 3.19 | 3.26 | -0.07 |
| Dec | 3.83 | 4.02 | -0.19 |
44.64 | 46.66 | -2.02 |