| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.04 | 4.24 | -0.20 |
| Feb | 3.55 | 3.66 | -0.11 |
| Mar | 4.02 | 4.30 | -0.28 |
| Apr | 3.16 | 3.29 | -0.13 |
| May | 2.90 | 2.96 | -0.06 |
| Jun | 5.98 | 6.11 | -0.13 |
| Jul | 5.64 | 5.61 | 0.03 |
| Aug | 5.82 | 6.10 | -0.28 |
| Sep | 4.42 | 4.50 | -0.08 |
| Oct | 3.07 | 3.17 | -0.10 |
| Nov | 2.18 | 2.31 | -0.13 |
| Dec | 3.07 | 3.27 | -0.20 |
47.85 | 49.52 | -1.67 |