| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.32 | 2.31 | 0.01 |
| Feb | 2.02 | 2.06 | -0.04 |
| Mar | 2.97 | 2.98 | -0.01 |
| Apr | 4.59 | 4.53 | 0.06 |
| May | 4.69 | 4.89 | -0.20 |
| Jun | 4.22 | 4.26 | -0.04 |
| Jul | 3.73 | 3.78 | -0.05 |
| Aug | 3.42 | 3.26 | 0.16 |
| Sep | 3.24 | 3.20 | 0.04 |
| Oct | 3.17 | 3.27 | -0.10 |
| Nov | 3.24 | 3.31 | -0.07 |
| Dec | 2.28 | 2.35 | -0.07 |
39.89 | 40.20 | -0.31 |