| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.58 | -0.14 |
| Feb | 2.77 | 2.88 | -0.11 |
| Mar | 4.10 | 4.40 | -0.30 |
| Apr | 3.70 | 3.63 | 0.07 |
| May | 3.85 | 4.09 | -0.24 |
| Jun | 4.24 | 4.30 | -0.06 |
| Jul | 4.84 | 4.77 | 0.07 |
| Aug | 4.46 | 4.77 | -0.31 |
| Sep | 4.21 | 4.32 | -0.11 |
| Oct | 4.02 | 4.08 | -0.06 |
| Nov | 3.23 | 3.32 | -0.09 |
| Dec | 4.18 | 4.42 | -0.24 |
47.04 | 48.56 | -1.52 |