| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.24 | -0.12 |
| Feb | 3.02 | 3.04 | -0.02 |
| Mar | 3.56 | 3.61 | -0.05 |
| Apr | 3.78 | 3.87 | -0.09 |
| May | 3.82 | 3.86 | -0.04 |
| Jun | 4.22 | 4.21 | 0.01 |
| Jul | 4.10 | 4.24 | -0.14 |
| Aug | 3.96 | 3.97 | -0.01 |
| Sep | 3.75 | 3.83 | -0.08 |
| Oct | 4.94 | 4.98 | -0.04 |
| Nov | 3.78 | 3.86 | -0.08 |
| Dec | 4.04 | 4.21 | -0.17 |
46.09 | 46.92 | -0.83 |