| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.93 | 3.14 | -0.21 |
| Feb | 2.25 | 2.35 | -0.10 |
| Mar | 2.79 | 2.94 | -0.15 |
| Apr | 3.26 | 3.58 | -0.32 |
| May | 3.45 | 3.40 | 0.05 |
| Jun | 4.08 | 4.05 | 0.03 |
| Jul | 4.03 | 4.12 | -0.09 |
| Aug | 3.90 | 3.94 | -0.04 |
| Sep | 3.79 | 3.85 | -0.06 |
| Oct | 3.87 | 3.92 | -0.05 |
| Nov | 3.19 | 3.26 | -0.07 |
| Dec | 3.30 | 3.39 | -0.09 |
40.84 | 41.94 | -1.10 |