| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.94 | 3.95 | -0.01 |
| Feb | 3.13 | 3.14 | -0.01 |
| Mar | 4.21 | 4.04 | 0.17 |
| Apr | 4.12 | 4.27 | -0.15 |
| May | 4.61 | 4.96 | -0.35 |
| Jun | 4.81 | 5.12 | -0.31 |
| Jul | 4.60 | 4.90 | -0.30 |
| Aug | 4.68 | 5.02 | -0.34 |
| Sep | 5.00 | 4.97 | 0.03 |
| Oct | 3.59 | 3.42 | 0.17 |
| Nov | 3.53 | 3.34 | 0.19 |
| Dec | 4.08 | 4.00 | 0.08 |
50.30 | 51.13 | -0.83 |