| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.85 | 0.90 | -0.05 |
| Feb | 0.84 | 0.85 | -0.01 |
| Mar | 1.57 | 1.61 | -0.04 |
| Apr | 2.91 | 3.03 | -0.12 |
| May | 4.13 | 4.21 | -0.08 |
| Jun | 5.07 | 5.05 | 0.02 |
| Jul | 4.10 | 4.26 | -0.16 |
| Aug | 4.39 | 4.56 | -0.17 |
| Sep | 3.35 | 3.38 | -0.03 |
| Oct | 2.83 | 2.92 | -0.09 |
| Nov | 1.70 | 1.69 | 0.01 |
| Dec | 1.15 | 1.22 | -0.07 |
32.89 | 33.68 | -0.79 |