| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.29 | 3.39 | -0.10 |
| Feb | 2.73 | 2.77 | -0.04 |
| Mar | 4.02 | 3.96 | 0.06 |
| Apr | 3.73 | 3.69 | 0.04 |
| May | 3.91 | 3.88 | 0.03 |
| Jun | 4.29 | 4.12 | 0.17 |
| Jul | 4.69 | 4.72 | -0.03 |
| Aug | 4.45 | 4.56 | -0.11 |
| Sep | 4.54 | 4.61 | -0.07 |
| Oct | 4.14 | 4.20 | -0.06 |
| Nov | 3.20 | 3.23 | -0.03 |
| Dec | 4.16 | 4.24 | -0.08 |
47.15 | 47.37 | -0.22 |