| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 4.96 | -0.20 |
| Feb | 4.87 | 5.08 | -0.21 |
| Mar | 5.04 | 5.31 | -0.27 |
| Apr | 4.39 | 4.61 | -0.22 |
| May | 3.45 | 3.80 | -0.35 |
| Jun | 5.40 | 6.17 | -0.77 |
| Jul | 6.56 | 7.01 | -0.45 |
| Aug | 6.42 | 6.37 | 0.05 |
| Sep | 5.46 | 5.43 | 0.03 |
| Oct | 3.18 | 3.41 | -0.23 |
| Nov | 3.81 | 3.87 | -0.06 |
| Dec | 4.81 | 4.94 | -0.13 |
58.15 | 60.96 | -2.81 |