| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.34 | -0.02 |
| Feb | 3.20 | 3.25 | -0.05 |
| Mar | 3.90 | 3.91 | -0.01 |
| Apr | 4.03 | 3.99 | 0.04 |
| May | 3.66 | 3.75 | -0.09 |
| Jun | 4.21 | 4.31 | -0.10 |
| Jul | 3.88 | 3.87 | 0.01 |
| Aug | 3.88 | 4.04 | -0.16 |
| Sep | 4.02 | 3.96 | 0.06 |
| Oct | 5.08 | 5.10 | -0.02 |
| Nov | 3.87 | 3.85 | 0.02 |
| Dec | 4.31 | 4.47 | -0.16 |
47.36 | 47.84 | -0.48 |