| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.45 | 2.52 | -0.07 |
| Feb | 2.02 | 2.12 | -0.10 |
| Mar | 2.27 | 2.32 | -0.05 |
| Apr | 3.62 | 3.63 | -0.01 |
| May | 4.22 | 4.27 | -0.05 |
| Jun | 4.15 | 4.05 | 0.10 |
| Jul | 3.96 | 3.79 | 0.17 |
| Aug | 3.85 | 3.90 | -0.05 |
| Sep | 3.16 | 3.01 | 0.15 |
| Oct | 3.21 | 3.09 | 0.12 |
| Nov | 2.83 | 2.92 | -0.09 |
| Dec | 2.43 | 2.34 | 0.09 |
38.17 | 37.96 | 0.21 |