| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.49 | 4.85 | -0.36 |
| Feb | 4.61 | 4.94 | -0.33 |
| Mar | 4.75 | 5.06 | -0.31 |
| Apr | 3.89 | 3.93 | -0.04 |
| May | 3.23 | 3.15 | 0.08 |
| Jun | 5.54 | 5.41 | 0.13 |
| Jul | 6.67 | 6.90 | -0.23 |
| Aug | 7.22 | 7.72 | -0.50 |
| Sep | 5.67 | 5.69 | -0.02 |
| Oct | 3.27 | 3.44 | -0.17 |
| Nov | 3.52 | 3.72 | -0.20 |
| Dec | 4.40 | 4.30 | 0.10 |
57.26 | 59.11 | -1.85 |