| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.25 | 0.01 |
| Feb | 3.21 | 3.30 | -0.09 |
| Mar | 4.15 | 4.07 | 0.08 |
| Apr | 3.68 | 4.05 | -0.37 |
| May | 4.83 | 5.24 | -0.41 |
| Jun | 4.41 | 4.57 | -0.16 |
| Jul | 5.06 | 5.82 | -0.76 |
| Aug | 3.79 | 3.57 | 0.22 |
| Sep | 3.37 | 3.31 | 0.06 |
| Oct | 3.04 | 3.16 | -0.12 |
| Nov | 3.04 | 3.10 | -0.06 |
| Dec | 3.73 | 3.98 | -0.25 |
45.57 | 47.42 | -1.85 |