| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.61 | -0.32 |
| Feb | 2.93 | 2.97 | -0.04 |
| Mar | 3.95 | 4.21 | -0.26 |
| Apr | 4.53 | 4.89 | -0.36 |
| May | 4.82 | 5.05 | -0.23 |
| Jun | 4.77 | 4.78 | -0.01 |
| Jul | 4.20 | 4.24 | -0.04 |
| Aug | 3.46 | 3.36 | 0.10 |
| Sep | 3.19 | 3.33 | -0.14 |
| Oct | 3.23 | 3.31 | -0.08 |
| Nov | 3.17 | 3.31 | -0.14 |
| Dec | 3.56 | 3.85 | -0.29 |
45.10 | 46.91 | -1.81 |