| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.70 | 0.72 | -0.02 |
| Feb | 0.71 | 0.72 | -0.01 |
| Mar | 1.32 | 1.35 | -0.03 |
| Apr | 2.22 | 2.33 | -0.11 |
| May | 3.51 | 3.52 | -0.01 |
| Jun | 4.36 | 4.41 | -0.05 |
| Jul | 4.52 | 4.53 | -0.01 |
| Aug | 3.49 | 3.31 | 0.18 |
| Sep | 2.99 | 2.93 | 0.06 |
| Oct | 2.81 | 2.73 | 0.08 |
| Nov | 1.38 | 1.36 | 0.02 |
| Dec | 0.96 | 0.98 | -0.02 |
28.97 | 28.89 | 0.08 |