| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.51 | -0.22 |
| Feb | 3.09 | 3.17 | -0.08 |
| Mar | 3.35 | 3.46 | -0.11 |
| Apr | 3.21 | 3.31 | -0.10 |
| May | 3.07 | 3.14 | -0.07 |
| Jun | 5.33 | 5.37 | -0.04 |
| Jul | 5.71 | 6.08 | -0.37 |
| Aug | 6.32 | 6.77 | -0.45 |
| Sep | 5.06 | 5.14 | -0.08 |
| Oct | 4.17 | 4.11 | 0.06 |
| Nov | 2.67 | 2.83 | -0.16 |
| Dec | 3.22 | 3.47 | -0.25 |
48.49 | 50.36 | -1.87 |