| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.77 | 3.88 | -0.11 |
| Feb | 3.21 | 3.35 | -0.14 |
| Mar | 4.12 | 4.16 | -0.04 |
| Apr | 4.04 | 4.30 | -0.26 |
| May | 4.00 | 3.93 | 0.07 |
| Jun | 4.54 | 4.69 | -0.15 |
| Jul | 4.17 | 4.24 | -0.07 |
| Aug | 4.49 | 4.43 | 0.06 |
| Sep | 3.93 | 3.85 | 0.08 |
| Oct | 3.46 | 3.24 | 0.22 |
| Nov | 3.41 | 3.51 | -0.10 |
| Dec | 3.93 | 4.11 | -0.18 |
47.07 | 47.69 | -0.62 |