| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.56 | 3.58 | -0.02 |
| Feb | 3.35 | 3.33 | 0.02 |
| Mar | 3.70 | 3.77 | -0.07 |
| Apr | 3.56 | 3.55 | 0.01 |
| May | 4.14 | 4.08 | 0.06 |
| Jun | 5.16 | 5.15 | 0.01 |
| Jul | 5.82 | 5.66 | 0.16 |
| Aug | 6.09 | 6.33 | -0.24 |
| Sep | 6.89 | 6.61 | 0.28 |
| Oct | 3.58 | 3.55 | 0.03 |
| Nov | 3.44 | 3.38 | 0.06 |
| Dec | 3.55 | 3.46 | 0.09 |
52.84 | 52.45 | 0.39 |