| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.33 | 3.51 | -0.18 |
| Feb | 3.12 | 3.16 | -0.04 |
| Mar | 4.39 | 4.56 | -0.17 |
| Apr | 3.37 | 3.55 | -0.18 |
| May | 3.20 | 3.18 | 0.02 |
| Jun | 3.62 | 3.37 | 0.25 |
| Jul | 4.23 | 3.90 | 0.33 |
| Aug | 4.41 | 4.37 | 0.04 |
| Sep | 3.68 | 3.55 | 0.13 |
| Oct | 4.02 | 4.26 | -0.24 |
| Nov | 3.27 | 3.40 | -0.13 |
| Dec | 4.32 | 4.46 | -0.14 |
44.96 | 45.27 | -0.31 |