| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.45 | 3.39 | 0.06 |
| Feb | 3.18 | 3.04 | 0.14 |
| Mar | 3.44 | 3.49 | -0.05 |
| Apr | 3.18 | 3.17 | 0.01 |
| May | 3.01 | 2.96 | 0.05 |
| Jun | 5.87 | 6.07 | -0.20 |
| Jul | 5.45 | 5.58 | -0.13 |
| Aug | 6.44 | 6.77 | -0.33 |
| Sep | 5.05 | 5.17 | -0.12 |
| Oct | 3.83 | 4.37 | -0.54 |
| Nov | 2.13 | 2.22 | -0.09 |
| Dec | 3.08 | 3.09 | -0.01 |
48.11 | 49.32 | -1.21 |