| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.58 | -0.17 |
| Feb | 0.48 | 0.66 | -0.18 |
| Mar | 1.10 | 1.36 | -0.26 |
| Apr | 1.81 | 2.20 | -0.39 |
| May | 2.36 | 2.48 | -0.12 |
| Jun | 2.09 | 2.35 | -0.26 |
| Jul | 2.51 | 2.49 | 0.02 |
| Aug | 2.13 | 2.31 | -0.18 |
| Sep | 1.21 | 1.40 | -0.19 |
| Oct | 0.95 | 1.15 | -0.20 |
| Nov | 0.68 | 0.83 | -0.15 |
| Dec | 0.48 | 0.64 | -0.16 |
16.21 | 18.45 | -2.24 |