| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.49 | -0.17 |
| Feb | 3.02 | 3.14 | -0.12 |
| Mar | 4.41 | 4.52 | -0.11 |
| Apr | 5.04 | 5.09 | -0.05 |
| May | 5.09 | 5.23 | -0.14 |
| Jun | 4.52 | 4.28 | 0.24 |
| Jul | 4.37 | 4.34 | 0.03 |
| Aug | 3.16 | 3.15 | 0.01 |
| Sep | 3.52 | 3.38 | 0.14 |
| Oct | 3.39 | 3.41 | -0.02 |
| Nov | 3.92 | 3.95 | -0.03 |
| Dec | 3.75 | 3.94 | -0.19 |
47.51 | 47.92 | -0.41 |