| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.66 | 0.69 | -0.03 |
| Feb | 0.68 | 0.71 | -0.03 |
| Mar | 1.30 | 1.32 | -0.02 |
| Apr | 2.24 | 2.31 | -0.07 |
| May | 3.45 | 3.48 | -0.03 |
| Jun | 4.28 | 4.33 | -0.05 |
| Jul | 4.35 | 4.36 | -0.01 |
| Aug | 3.52 | 3.36 | 0.16 |
| Sep | 2.96 | 2.89 | 0.07 |
| Oct | 2.69 | 2.72 | -0.03 |
| Nov | 1.25 | 1.30 | -0.05 |
| Dec | 0.89 | 0.93 | -0.04 |
28.27 | 28.40 | -0.13 |