| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.79 | -0.14 |
| Feb | 0.86 | 0.96 | -0.10 |
| Mar | 1.72 | 1.87 | -0.15 |
| Apr | 2.51 | 2.85 | -0.34 |
| May | 2.49 | 2.84 | -0.35 |
| Jun | 1.80 | 1.97 | -0.17 |
| Jul | 2.26 | 2.17 | 0.09 |
| Aug | 2.20 | 2.13 | 0.07 |
| Sep | 1.59 | 1.82 | -0.23 |
| Oct | 1.24 | 1.41 | -0.17 |
| Nov | 0.88 | 1.03 | -0.15 |
| Dec | 0.64 | 0.77 | -0.13 |
18.84 | 20.61 | -1.77 |