| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.63 | 2.68 | -0.05 |
| Feb | 2.04 | 2.16 | -0.12 |
| Mar | 1.97 | 2.09 | -0.12 |
| Apr | 1.71 | 1.89 | -0.18 |
| May | 1.43 | 1.56 | -0.13 |
| Jun | 0.78 | 0.85 | -0.07 |
| Jul | 0.36 | 0.40 | -0.04 |
| Aug | 0.32 | 0.34 | -0.02 |
| Sep | 0.46 | 0.51 | -0.05 |
| Oct | 1.31 | 1.43 | -0.12 |
| Nov | 2.51 | 2.72 | -0.21 |
| Dec | 3.47 | 3.77 | -0.30 |
18.99 | 20.40 | -1.41 |