| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 4.27 | -0.38 |
| Feb | 3.49 | 3.96 | -0.47 |
| Mar | 4.18 | 4.63 | -0.45 |
| Apr | 4.10 | 4.38 | -0.28 |
| May | 5.08 | 4.83 | 0.25 |
| Jun | 4.87 | 4.97 | -0.10 |
| Jul | 4.53 | 4.69 | -0.16 |
| Aug | 4.34 | 3.98 | 0.36 |
| Sep | 3.89 | 3.77 | 0.12 |
| Oct | 3.41 | 3.45 | -0.04 |
| Nov | 3.21 | 3.38 | -0.17 |
| Dec | 4.13 | 4.25 | -0.12 |
49.12 | 50.56 | -1.44 |