| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 3.11 | -0.30 |
| Feb | 2.66 | 2.70 | -0.04 |
| Mar | 2.98 | 3.19 | -0.21 |
| Apr | 3.19 | 3.32 | -0.13 |
| May | 5.17 | 5.07 | 0.10 |
| Jun | 8.45 | 8.65 | -0.20 |
| Jul | 6.30 | 6.25 | 0.05 |
| Aug | 7.95 | 8.32 | -0.37 |
| Sep | 8.12 | 8.21 | -0.09 |
| Oct | 5.92 | 5.84 | 0.08 |
| Nov | 3.44 | 3.28 | 0.16 |
| Dec | 2.82 | 2.87 | -0.05 |
59.81 | 60.81 | -1.00 |