| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.57 | -0.12 |
| Feb | 0.49 | 0.66 | -0.17 |
| Mar | 1.14 | 1.36 | -0.22 |
| Apr | 1.84 | 2.19 | -0.35 |
| May | 2.25 | 2.36 | -0.11 |
| Jun | 1.87 | 1.81 | 0.06 |
| Jul | 2.34 | 2.10 | 0.24 |
| Aug | 1.82 | 2.32 | -0.50 |
| Sep | 1.25 | 1.38 | -0.13 |
| Oct | 1.02 | 1.18 | -0.16 |
| Nov | 0.70 | 0.85 | -0.15 |
| Dec | 0.48 | 0.65 | -0.17 |
15.65 | 17.43 | -1.78 |