| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.28 | 3.52 | -0.24 |
| Feb | 2.96 | 3.04 | -0.08 |
| Mar | 3.57 | 3.61 | -0.04 |
| Apr | 3.81 | 3.76 | 0.05 |
| May | 3.67 | 3.79 | -0.12 |
| Jun | 4.52 | 4.50 | 0.02 |
| Jul | 4.11 | 4.10 | 0.01 |
| Aug | 4.17 | 4.18 | -0.01 |
| Sep | 4.44 | 4.49 | -0.05 |
| Oct | 4.81 | 4.60 | 0.21 |
| Nov | 3.51 | 3.53 | -0.02 |
| Dec | 4.26 | 4.27 | -0.01 |
47.11 | 47.39 | -0.28 |