| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.57 | 2.96 | -0.39 |
| Feb | 2.08 | 2.30 | -0.22 |
| Mar | 2.80 | 3.18 | -0.38 |
| Apr | 3.54 | 3.80 | -0.26 |
| May | 3.82 | 3.88 | -0.06 |
| Jun | 4.08 | 4.01 | 0.07 |
| Jul | 3.87 | 3.98 | -0.11 |
| Aug | 3.53 | 3.77 | -0.24 |
| Sep | 3.69 | 3.81 | -0.12 |
| Oct | 3.39 | 3.53 | -0.14 |
| Nov | 3.05 | 3.11 | -0.06 |
| Dec | 2.78 | 3.08 | -0.30 |
39.20 | 41.41 | -2.21 |