| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.41 | 0.39 | 0.02 |
| Feb | 0.32 | 0.36 | -0.04 |
| Mar | 0.71 | 0.73 | -0.02 |
| Apr | 0.82 | 0.78 | 0.04 |
| May | 1.46 | 1.49 | -0.03 |
| Jun | 1.86 | 1.78 | 0.08 |
| Jul | 2.87 | 2.69 | 0.18 |
| Aug | 2.94 | 3.11 | -0.17 |
| Sep | 1.99 | 2.05 | -0.06 |
| Oct | 1.11 | 1.01 | 0.10 |
| Nov | 0.45 | 0.46 | -0.01 |
| Dec | 0.54 | 0.57 | -0.03 |
15.48 | 15.42 | 0.06 |