| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.45 | -0.13 |
| Feb | 3.14 | 3.41 | -0.27 |
| Mar | 3.92 | 4.13 | -0.21 |
| Apr | 4.18 | 4.35 | -0.17 |
| May | 3.78 | 3.69 | 0.09 |
| Jun | 4.35 | 4.49 | -0.14 |
| Jul | 3.91 | 4.33 | -0.42 |
| Aug | 3.87 | 3.91 | -0.04 |
| Sep | 3.73 | 3.82 | -0.09 |
| Oct | 5.26 | 5.44 | -0.18 |
| Nov | 4.22 | 4.32 | -0.10 |
| Dec | 4.25 | 4.51 | -0.26 |
47.93 | 49.85 | -1.92 |