| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.76 | 2.55 | 0.21 |
| Feb | 2.31 | 2.18 | 0.13 |
| Mar | 3.36 | 3.05 | 0.31 |
| Apr | 3.35 | 3.11 | 0.24 |
| May | 4.28 | 3.92 | 0.36 |
| Jun | 4.54 | 4.17 | 0.37 |
| Jul | 4.32 | 3.96 | 0.36 |
| Aug | 3.76 | 3.85 | -0.09 |
| Sep | 3.99 | 3.96 | 0.03 |
| Oct | 2.84 | 2.60 | 0.24 |
| Nov | 2.69 | 2.58 | 0.11 |
| Dec | 2.91 | 2.79 | 0.12 |
41.11 | 38.72 | 2.39 |