| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.54 | -0.09 |
| Feb | 3.14 | 3.25 | -0.11 |
| Mar | 4.54 | 4.57 | -0.03 |
| Apr | 5.20 | 5.41 | -0.21 |
| May | 5.57 | 5.35 | 0.22 |
| Jun | 4.77 | 4.69 | 0.08 |
| Jul | 4.28 | 4.46 | -0.18 |
| Aug | 3.06 | 3.11 | -0.05 |
| Sep | 3.47 | 3.79 | -0.32 |
| Oct | 3.44 | 3.45 | -0.01 |
| Nov | 4.08 | 4.10 | -0.02 |
| Dec | 3.89 | 3.97 | -0.08 |
48.89 | 49.69 | -0.80 |