| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.32 | -0.04 |
| Feb | 3.18 | 3.47 | -0.29 |
| Mar | 4.47 | 4.62 | -0.15 |
| Apr | 5.29 | 5.28 | 0.01 |
| May | 5.21 | 5.40 | -0.19 |
| Jun | 4.10 | 4.01 | 0.09 |
| Jul | 4.07 | 4.13 | -0.06 |
| Aug | 3.40 | 3.17 | 0.23 |
| Sep | 3.28 | 3.32 | -0.04 |
| Oct | 3.65 | 3.62 | 0.03 |
| Nov | 4.37 | 4.47 | -0.10 |
| Dec | 3.49 | 3.70 | -0.21 |
47.79 | 48.51 | -0.72 |