| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.49 | 3.70 | -0.21 |
| Feb | 2.89 | 2.91 | -0.02 |
| Mar | 3.87 | 3.87 | 0.00 |
| Apr | 3.41 | 3.69 | -0.28 |
| May | 3.82 | 4.08 | -0.26 |
| Jun | 4.47 | 4.64 | -0.17 |
| Jul | 5.49 | 5.34 | 0.15 |
| Aug | 5.23 | 5.51 | -0.28 |
| Sep | 5.13 | 5.25 | -0.12 |
| Oct | 3.96 | 4.21 | -0.25 |
| Nov | 3.22 | 3.42 | -0.20 |
| Dec | 3.30 | 3.55 | -0.25 |
48.28 | 50.17 | -1.89 |