| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.12 | 3.29 | -0.17 |
| Feb | 2.49 | 2.87 | -0.38 |
| Mar | 3.58 | 3.96 | -0.38 |
| Apr | 3.57 | 3.97 | -0.40 |
| May | 3.57 | 3.71 | -0.14 |
| Jun | 4.37 | 4.71 | -0.34 |
| Jul | 4.05 | 4.24 | -0.19 |
| Aug | 4.36 | 4.69 | -0.33 |
| Sep | 4.23 | 4.36 | -0.13 |
| Oct | 4.26 | 4.46 | -0.20 |
| Nov | 3.19 | 3.31 | -0.12 |
| Dec | 3.73 | 4.05 | -0.32 |
44.52 | 47.62 | -3.10 |