| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 2.87 | 0.45 |
| Feb | 3.28 | 3.50 | -0.22 |
| Mar | 3.49 | 3.39 | 0.10 |
| Apr | 3.29 | 3.17 | 0.12 |
| May | 3.41 | 3.49 | -0.08 |
| Jun | 5.60 | 5.69 | -0.09 |
| Jul | 5.54 | 6.11 | -0.57 |
| Aug | 6.15 | 6.35 | -0.20 |
| Sep | 5.28 | 5.31 | -0.03 |
| Oct | 4.24 | 4.15 | 0.09 |
| Nov | 2.86 | 2.77 | 0.09 |
| Dec | 3.44 | 3.87 | -0.43 |
49.90 | 50.67 | -0.77 |