| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.04 | 3.28 | -0.24 |
| Feb | 2.17 | 2.43 | -0.26 |
| Mar | 2.66 | 2.91 | -0.25 |
| Apr | 3.42 | 3.39 | 0.03 |
| May | 3.28 | 3.34 | -0.06 |
| Jun | 3.46 | 3.75 | -0.29 |
| Jul | 3.61 | 3.34 | 0.27 |
| Aug | 3.36 | 3.21 | 0.15 |
| Sep | 4.04 | 3.97 | 0.07 |
| Oct | 3.87 | 4.17 | -0.30 |
| Nov | 3.37 | 3.72 | -0.35 |
| Dec | 3.44 | 3.72 | -0.28 |
39.72 | 41.23 | -1.51 |