| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 1.21 | -0.24 |
| Feb | 0.93 | 1.05 | -0.12 |
| Mar | 1.43 | 1.48 | -0.05 |
| Apr | 2.45 | 2.63 | -0.18 |
| May | 3.18 | 3.39 | -0.21 |
| Jun | 4.38 | 4.45 | -0.07 |
| Jul | 4.00 | 3.95 | 0.05 |
| Aug | 3.53 | 3.64 | -0.11 |
| Sep | 3.27 | 3.49 | -0.22 |
| Oct | 2.96 | 3.06 | -0.10 |
| Nov | 1.78 | 2.00 | -0.22 |
| Dec | 1.33 | 1.54 | -0.21 |
30.21 | 31.89 | -1.68 |