| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 3.85 | 0.11 |
| Feb | 4.51 | 4.35 | 0.16 |
| Mar | 5.05 | 4.99 | 0.06 |
| Apr | 5.22 | 5.07 | 0.15 |
| May | 5.46 | 5.23 | 0.23 |
| Jun | 4.17 | 4.27 | -0.10 |
| Jul | 4.09 | 3.92 | 0.17 |
| Aug | 3.38 | 3.17 | 0.21 |
| Sep | 3.38 | 3.36 | 0.02 |
| Oct | 3.83 | 3.94 | -0.11 |
| Nov | 4.48 | 4.49 | -0.01 |
| Dec | 5.08 | 4.98 | 0.10 |
52.61 | 51.62 | 0.99 |