| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.16 | 0.04 |
| Feb | 3.83 | 3.89 | -0.06 |
| Mar | 4.55 | 4.61 | -0.06 |
| Apr | 3.94 | 4.06 | -0.12 |
| May | 3.98 | 3.97 | 0.01 |
| Jun | 4.34 | 4.02 | 0.32 |
| Jul | 4.12 | 4.43 | -0.31 |
| Aug | 4.55 | 4.83 | -0.28 |
| Sep | 3.88 | 3.77 | 0.11 |
| Oct | 3.37 | 3.64 | -0.27 |
| Nov | 3.72 | 3.94 | -0.22 |
| Dec | 4.43 | 4.91 | -0.48 |
48.91 | 50.23 | -1.32 |