| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.55 | -0.10 |
| Feb | 0.55 | 0.62 | -0.07 |
| Mar | 1.16 | 1.39 | -0.23 |
| Apr | 1.89 | 2.10 | -0.21 |
| May | 2.35 | 2.43 | -0.08 |
| Jun | 1.64 | 1.80 | -0.16 |
| Jul | 2.04 | 2.02 | 0.02 |
| Aug | 1.73 | 2.02 | -0.29 |
| Sep | 1.30 | 1.42 | -0.12 |
| Oct | 0.94 | 1.19 | -0.25 |
| Nov | 0.64 | 0.80 | -0.16 |
| Dec | 0.52 | 0.61 | -0.09 |
15.21 | 16.95 | -1.74 |