| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.15 | 3.40 | -0.25 |
| Feb | 2.92 | 3.05 | -0.13 |
| Mar | 3.85 | 4.01 | -0.16 |
| Apr | 4.42 | 4.51 | -0.09 |
| May | 4.79 | 4.89 | -0.10 |
| Jun | 4.65 | 4.60 | 0.05 |
| Jul | 4.29 | 4.39 | -0.10 |
| Aug | 3.41 | 3.39 | 0.02 |
| Sep | 3.10 | 3.22 | -0.12 |
| Oct | 3.16 | 3.21 | -0.05 |
| Nov | 3.03 | 3.16 | -0.13 |
| Dec | 3.44 | 3.68 | -0.24 |
44.21 | 45.51 | -1.30 |