| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.89 | -0.08 |
| Feb | 3.56 | 3.64 | -0.08 |
| Mar | 3.92 | 4.14 | -0.22 |
| Apr | 3.05 | 3.11 | -0.06 |
| May | 3.25 | 3.40 | -0.15 |
| Jun | 4.75 | 4.75 | 0.00 |
| Jul | 4.39 | 4.64 | -0.25 |
| Aug | 4.52 | 4.90 | -0.38 |
| Sep | 3.96 | 4.19 | -0.23 |
| Oct | 3.25 | 3.44 | -0.19 |
| Nov | 3.04 | 3.24 | -0.20 |
| Dec | 3.94 | 4.00 | -0.06 |
45.44 | 47.34 | -1.90 |