| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.81 | 2.87 | -0.06 |
| Feb | 2.31 | 2.43 | -0.12 |
| Mar | 3.14 | 3.32 | -0.18 |
| Apr | 4.19 | 4.36 | -0.17 |
| May | 4.54 | 4.63 | -0.09 |
| Jun | 5.02 | 4.99 | 0.03 |
| Jul | 4.06 | 4.10 | -0.04 |
| Aug | 3.35 | 3.08 | 0.27 |
| Sep | 3.25 | 3.34 | -0.09 |
| Oct | 3.12 | 3.18 | -0.06 |
| Nov | 3.39 | 3.49 | -0.10 |
| Dec | 2.74 | 2.90 | -0.16 |
41.92 | 42.69 | -0.77 |