| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.23 | 4.32 | -0.09 |
| Feb | 2.82 | 3.04 | -0.22 |
| Mar | 3.29 | 3.40 | -0.11 |
| Apr | 3.81 | 4.04 | -0.23 |
| May | 5.04 | 4.90 | 0.14 |
| Jun | 5.37 | 5.42 | -0.05 |
| Jul | 4.25 | 4.28 | -0.03 |
| Aug | 5.01 | 5.39 | -0.38 |
| Sep | 5.65 | 5.68 | -0.03 |
| Oct | 4.94 | 5.08 | -0.14 |
| Nov | 4.20 | 4.53 | -0.33 |
| Dec | 4.14 | 4.30 | -0.16 |
52.75 | 54.38 | -1.63 |