| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.62 | 0.17 |
| Feb | 0.89 | 0.81 | 0.08 |
| Mar | 1.32 | 1.52 | -0.20 |
| Apr | 2.07 | 2.40 | -0.33 |
| May | 2.27 | 2.64 | -0.37 |
| Jun | 1.66 | 1.77 | -0.11 |
| Jul | 1.70 | 1.85 | -0.15 |
| Aug | 1.55 | 1.59 | -0.04 |
| Sep | 1.45 | 1.55 | -0.10 |
| Oct | 1.21 | 1.33 | -0.12 |
| Nov | 0.96 | 0.94 | 0.02 |
| Dec | 0.86 | 0.69 | 0.17 |
16.73 | 17.71 | -0.98 |