| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.05 | 1.13 | -0.08 |
| Feb | 0.97 | 1.08 | -0.11 |
| Mar | 1.43 | 1.73 | -0.30 |
| Apr | 2.65 | 2.98 | -0.33 |
| May | 3.36 | 3.47 | -0.11 |
| Jun | 3.96 | 4.25 | -0.29 |
| Jul | 4.21 | 4.27 | -0.06 |
| Aug | 3.87 | 4.19 | -0.32 |
| Sep | 3.18 | 3.40 | -0.22 |
| Oct | 3.17 | 3.29 | -0.12 |
| Nov | 1.89 | 2.12 | -0.23 |
| Dec | 1.49 | 1.67 | -0.18 |
31.23 | 33.58 | -2.35 |