| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 4.35 | -0.65 |
| Feb | 3.02 | 3.19 | -0.17 |
| Mar | 4.04 | 4.51 | -0.47 |
| Apr | 4.31 | 4.34 | -0.03 |
| May | 4.56 | 4.91 | -0.35 |
| Jun | 5.06 | 4.81 | 0.25 |
| Jul | 4.56 | 4.41 | 0.15 |
| Aug | 4.29 | 4.27 | 0.02 |
| Sep | 5.01 | 5.04 | -0.03 |
| Oct | 3.64 | 3.69 | -0.05 |
| Nov | 3.77 | 3.78 | -0.01 |
| Dec | 3.68 | 4.15 | -0.47 |
49.64 | 51.45 | -1.81 |