| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.01 | 5.22 | -0.21 |
| Feb | 4.98 | 5.35 | -0.37 |
| Mar | 5.29 | 5.39 | -0.10 |
| Apr | 4.24 | 4.43 | -0.19 |
| May | 4.07 | 3.97 | 0.10 |
| Jun | 4.56 | 4.94 | -0.38 |
| Jul | 4.78 | 5.00 | -0.22 |
| Aug | 4.17 | 4.48 | -0.31 |
| Sep | 3.62 | 3.69 | -0.07 |
| Oct | 3.08 | 3.09 | -0.01 |
| Nov | 3.96 | 4.08 | -0.12 |
| Dec | 5.21 | 5.34 | -0.13 |
52.97 | 54.98 | -2.01 |