| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.87 | 3.70 | 0.17 |
| Feb | 3.47 | 3.56 | -0.09 |
| Mar | 3.86 | 3.90 | -0.04 |
| Apr | 3.52 | 3.43 | 0.09 |
| May | 4.37 | 4.42 | -0.05 |
| Jun | 5.41 | 5.24 | 0.17 |
| Jul | 6.50 | 6.29 | 0.21 |
| Aug | 6.71 | 7.04 | -0.33 |
| Sep | 7.15 | 7.25 | -0.10 |
| Oct | 3.77 | 4.04 | -0.27 |
| Nov | 3.44 | 3.40 | 0.04 |
| Dec | 3.72 | 3.69 | 0.03 |
55.79 | 55.96 | -0.17 |