| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.19 | 3.23 | -0.04 |
| Feb | 3.07 | 3.11 | -0.04 |
| Mar | 3.84 | 3.66 | 0.18 |
| Apr | 3.88 | 3.89 | -0.01 |
| May | 3.73 | 3.83 | -0.10 |
| Jun | 4.34 | 4.33 | 0.01 |
| Jul | 4.08 | 4.08 | 0.00 |
| Aug | 3.89 | 4.05 | -0.16 |
| Sep | 3.87 | 3.85 | 0.02 |
| Oct | 5.19 | 5.06 | 0.13 |
| Nov | 3.82 | 3.84 | -0.02 |
| Dec | 4.29 | 4.31 | -0.02 |
47.19 | 47.24 | -0.05 |