| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.53 | 2.75 | -0.22 |
| Feb | 2.15 | 2.46 | -0.31 |
| Mar | 2.65 | 3.11 | -0.46 |
| Apr | 3.04 | 3.24 | -0.20 |
| May | 3.28 | 3.42 | -0.14 |
| Jun | 4.06 | 4.01 | 0.05 |
| Jul | 4.27 | 4.30 | -0.03 |
| Aug | 3.84 | 3.70 | 0.14 |
| Sep | 3.32 | 3.47 | -0.15 |
| Oct | 4.17 | 4.44 | -0.27 |
| Nov | 2.77 | 3.15 | -0.38 |
| Dec | 3.10 | 3.46 | -0.36 |
39.18 | 41.51 | -2.33 |