| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.09 | 4.28 | -0.19 |
| Feb | 3.41 | 3.81 | -0.40 |
| Mar | 4.22 | 4.51 | -0.29 |
| Apr | 4.28 | 4.74 | -0.46 |
| May | 3.75 | 3.78 | -0.03 |
| Jun | 4.21 | 4.48 | -0.27 |
| Jul | 3.12 | 3.17 | -0.05 |
| Aug | 3.11 | 3.19 | -0.08 |
| Sep | 3.98 | 4.19 | -0.21 |
| Oct | 5.28 | 5.69 | -0.41 |
| Nov | 4.66 | 4.91 | -0.25 |
| Dec | 4.83 | 5.09 | -0.26 |
48.94 | 51.84 | -2.90 |