| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.35 | 4.49 | -0.14 |
| Feb | 3.64 | 3.87 | -0.23 |
| Mar | 3.73 | 3.74 | -0.01 |
| Apr | 3.54 | 3.65 | -0.11 |
| May | 4.17 | 4.23 | -0.06 |
| Jun | 4.87 | 4.55 | 0.32 |
| Jul | 6.01 | 5.95 | 0.06 |
| Aug | 7.54 | 7.77 | -0.23 |
| Sep | 7.86 | 8.31 | -0.45 |
| Oct | 4.55 | 4.77 | -0.22 |
| Nov | 4.11 | 4.39 | -0.28 |
| Dec | 4.17 | 4.34 | -0.17 |
58.54 | 60.06 | -1.52 |