| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.12 | 4.27 | -0.15 |
| Feb | 3.66 | 3.67 | -0.01 |
| Mar | 4.57 | 4.64 | -0.07 |
| Apr | 3.98 | 3.93 | 0.05 |
| May | 3.81 | 3.75 | 0.06 |
| Jun | 4.35 | 4.11 | 0.24 |
| Jul | 3.84 | 3.85 | -0.01 |
| Aug | 4.34 | 4.48 | -0.14 |
| Sep | 3.82 | 3.85 | -0.03 |
| Oct | 3.31 | 3.35 | -0.04 |
| Nov | 3.61 | 3.72 | -0.11 |
| Dec | 4.32 | 4.51 | -0.19 |
47.73 | 48.13 | -0.40 |