| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.61 | 4.67 | -0.06 |
| Feb | 3.96 | 4.17 | -0.21 |
| Mar | 4.79 | 4.84 | -0.05 |
| Apr | 3.82 | 3.78 | 0.04 |
| May | 3.01 | 3.13 | -0.12 |
| Jun | 6.47 | 7.13 | -0.66 |
| Jul | 6.77 | 7.03 | -0.26 |
| Aug | 6.58 | 7.56 | -0.98 |
| Sep | 5.16 | 5.36 | -0.20 |
| Oct | 3.35 | 3.23 | 0.12 |
| Nov | 2.97 | 3.12 | -0.15 |
| Dec | 3.90 | 4.06 | -0.16 |
55.39 | 58.08 | -2.69 |