| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.21 | -0.24 |
| Feb | 0.90 | 1.03 | -0.13 |
| Mar | 1.41 | 1.47 | -0.06 |
| Apr | 2.46 | 2.61 | -0.15 |
| May | 3.17 | 3.41 | -0.24 |
| Jun | 4.31 | 4.39 | -0.08 |
| Jul | 3.94 | 3.89 | 0.05 |
| Aug | 3.52 | 3.65 | -0.13 |
| Sep | 3.24 | 3.44 | -0.20 |
| Oct | 2.93 | 3.10 | -0.17 |
| Nov | 1.78 | 2.07 | -0.29 |
| Dec | 1.33 | 1.56 | -0.23 |
29.96 | 31.83 | -1.87 |