| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.27 | 1.39 | -0.12 |
| Feb | 1.21 | 1.24 | -0.03 |
| Mar | 0.93 | 0.84 | 0.09 |
| Apr | 0.37 | 0.52 | -0.15 |
| May | 0.46 | 0.90 | -0.44 |
| Jun | 0.79 | 0.97 | -0.18 |
| Jul | 3.41 | 4.15 | -0.74 |
| Aug | 3.28 | 3.65 | -0.37 |
| Sep | 2.10 | 2.36 | -0.26 |
| Oct | 1.06 | 1.22 | -0.16 |
| Nov | 1.12 | 1.17 | -0.05 |
| Dec | 1.62 | 1.66 | -0.04 |
17.62 | 20.07 | -2.45 |