| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.37 | 2.16 | 0.21 |
| Feb | 1.94 | 1.83 | 0.11 |
| Mar | 2.32 | 2.31 | 0.01 |
| Apr | 2.97 | 2.79 | 0.18 |
| May | 3.04 | 2.87 | 0.17 |
| Jun | 3.14 | 3.03 | 0.11 |
| Jul | 3.25 | 3.10 | 0.15 |
| Aug | 3.05 | 2.66 | 0.39 |
| Sep | 3.13 | 2.99 | 0.14 |
| Oct | 3.36 | 3.15 | 0.21 |
| Nov | 2.65 | 2.44 | 0.21 |
| Dec | 2.56 | 2.41 | 0.15 |
33.78 | 31.74 | 2.04 |