| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.73 | -0.03 |
| Feb | 0.71 | 0.73 | -0.02 |
| Mar | 1.32 | 1.36 | -0.04 |
| Apr | 2.22 | 2.35 | -0.13 |
| May | 3.51 | 3.52 | -0.01 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.52 | 4.46 | 0.06 |
| Aug | 3.49 | 3.30 | 0.19 |
| Sep | 2.99 | 2.93 | 0.06 |
| Oct | 2.81 | 2.69 | 0.12 |
| Nov | 1.38 | 1.37 | 0.01 |
| Dec | 0.96 | 0.99 | -0.03 |
28.97 | 28.84 | 0.13 |