| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.25 | 2.27 | -0.02 |
| Feb | 1.94 | 1.99 | -0.05 |
| Mar | 2.33 | 2.31 | 0.02 |
| Apr | 3.61 | 3.62 | -0.01 |
| May | 4.25 | 4.34 | -0.09 |
| Jun | 4.49 | 4.55 | -0.06 |
| Jul | 4.44 | 4.28 | 0.16 |
| Aug | 4.05 | 4.37 | -0.32 |
| Sep | 3.44 | 3.47 | -0.03 |
| Oct | 3.50 | 3.55 | -0.05 |
| Nov | 2.75 | 2.66 | 0.09 |
| Dec | 2.16 | 2.19 | -0.03 |
39.21 | 39.60 | -0.39 |