| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.96 | 1.02 | -0.06 |
| Feb | 0.88 | 0.95 | -0.07 |
| Mar | 1.39 | 1.45 | -0.06 |
| Apr | 2.43 | 2.58 | -0.15 |
| May | 3.13 | 3.23 | -0.10 |
| Jun | 4.22 | 4.17 | 0.05 |
| Jul | 3.86 | 3.73 | 0.13 |
| Aug | 3.45 | 3.59 | -0.14 |
| Sep | 3.22 | 3.37 | -0.15 |
| Oct | 2.89 | 2.97 | -0.08 |
| Nov | 1.77 | 1.94 | -0.17 |
| Dec | 1.32 | 1.44 | -0.12 |
29.52 | 30.44 | -0.92 |