| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.31 | 3.50 | -0.19 |
| Feb | 3.17 | 3.22 | -0.05 |
| Mar | 4.46 | 4.47 | -0.01 |
| Apr | 5.02 | 5.21 | -0.19 |
| May | 4.96 | 5.10 | -0.14 |
| Jun | 4.32 | 4.36 | -0.04 |
| Jul | 4.35 | 4.32 | 0.03 |
| Aug | 3.12 | 3.08 | 0.04 |
| Sep | 3.35 | 3.51 | -0.16 |
| Oct | 3.36 | 3.44 | -0.08 |
| Nov | 3.94 | 3.91 | 0.03 |
| Dec | 3.85 | 3.92 | -0.07 |
47.21 | 48.04 | -0.83 |