| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.56 | 0.55 | 0.01 |
| Feb | 0.57 | 0.57 | 0.00 |
| Mar | 1.32 | 1.32 | 0.00 |
| Apr | 1.85 | 1.87 | -0.02 |
| May | 2.83 | 2.83 | 0.00 |
| Jun | 3.47 | 3.48 | -0.01 |
| Jul | 3.14 | 3.11 | 0.03 |
| Aug | 2.84 | 3.07 | -0.23 |
| Sep | 1.41 | 1.39 | 0.02 |
| Oct | 1.88 | 1.93 | -0.05 |
| Nov | 0.69 | 0.70 | -0.01 |
| Dec | 0.83 | 0.88 | -0.05 |
21.39 | 21.70 | -0.31 |