| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.22 | 3.44 | -0.22 |
| Feb | 2.98 | 3.36 | -0.38 |
| Mar | 3.77 | 4.06 | -0.29 |
| Apr | 4.13 | 4.34 | -0.21 |
| May | 3.78 | 3.68 | 0.10 |
| Jun | 4.37 | 4.48 | -0.11 |
| Jul | 4.04 | 4.35 | -0.31 |
| Aug | 3.96 | 3.93 | 0.03 |
| Sep | 3.69 | 3.81 | -0.12 |
| Oct | 5.23 | 5.42 | -0.19 |
| Nov | 4.18 | 4.33 | -0.15 |
| Dec | 4.08 | 4.50 | -0.42 |
47.43 | 49.70 | -2.27 |