| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.18 | 3.32 | -0.14 |
| Feb | 2.73 | 2.90 | -0.17 |
| Mar | 3.40 | 3.61 | -0.21 |
| Apr | 3.63 | 3.73 | -0.10 |
| May | 3.60 | 3.68 | -0.08 |
| Jun | 4.30 | 4.37 | -0.07 |
| Jul | 4.08 | 4.10 | -0.02 |
| Aug | 4.08 | 4.12 | -0.04 |
| Sep | 4.39 | 4.50 | -0.11 |
| Oct | 4.46 | 4.54 | -0.08 |
| Nov | 3.33 | 3.40 | -0.07 |
| Dec | 3.93 | 4.08 | -0.15 |
45.11 | 46.35 | -1.24 |