| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.24 | 2.26 | -0.02 |
| Feb | 1.94 | 2.02 | -0.08 |
| Mar | 2.39 | 2.43 | -0.04 |
| Apr | 3.77 | 3.79 | -0.02 |
| May | 4.32 | 4.51 | -0.19 |
| Jun | 4.45 | 4.56 | -0.11 |
| Jul | 4.26 | 4.40 | -0.14 |
| Aug | 3.99 | 4.03 | -0.04 |
| Sep | 3.45 | 3.31 | 0.14 |
| Oct | 3.39 | 3.50 | -0.11 |
| Nov | 2.71 | 2.75 | -0.04 |
| Dec | 2.18 | 2.26 | -0.08 |
39.09 | 39.82 | -0.73 |