| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.99 | 4.13 | -0.14 |
| Feb | 3.54 | 3.83 | -0.29 |
| Mar | 3.73 | 3.84 | -0.11 |
| Apr | 3.46 | 3.51 | -0.05 |
| May | 4.27 | 4.29 | -0.02 |
| Jun | 5.22 | 5.16 | 0.06 |
| Jul | 6.46 | 6.58 | -0.12 |
| Aug | 7.08 | 7.32 | -0.24 |
| Sep | 7.46 | 7.82 | -0.36 |
| Oct | 4.10 | 4.55 | -0.45 |
| Nov | 3.63 | 3.90 | -0.27 |
| Dec | 3.90 | 3.99 | -0.09 |
56.84 | 58.92 | -2.08 |