| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.44 | 2.71 | -0.27 |
| Feb | 2.06 | 2.30 | -0.24 |
| Mar | 2.33 | 2.44 | -0.11 |
| Apr | 3.57 | 3.62 | -0.05 |
| May | 4.22 | 4.14 | 0.08 |
| Jun | 4.28 | 4.22 | 0.06 |
| Jul | 4.05 | 4.16 | -0.11 |
| Aug | 4.07 | 4.14 | -0.07 |
| Sep | 3.32 | 3.38 | -0.06 |
| Oct | 3.73 | 3.99 | -0.26 |
| Nov | 2.79 | 3.05 | -0.26 |
| Dec | 2.39 | 2.56 | -0.17 |
39.25 | 40.71 | -1.46 |