| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.25 | -0.01 |
| Feb | 1.96 | 2.09 | -0.13 |
| Mar | 2.58 | 2.69 | -0.11 |
| Apr | 4.02 | 3.94 | 0.08 |
| May | 4.42 | 4.46 | -0.04 |
| Jun | 4.51 | 4.60 | -0.09 |
| Jul | 4.25 | 4.22 | 0.03 |
| Aug | 3.39 | 3.21 | 0.18 |
| Sep | 3.13 | 3.18 | -0.05 |
| Oct | 3.25 | 3.29 | -0.04 |
| Nov | 3.09 | 3.12 | -0.03 |
| Dec | 2.27 | 2.36 | -0.09 |
39.11 | 39.41 | -0.30 |