| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.22 | 4.22 | 0.00 |
| Feb | 3.89 | 3.94 | -0.05 |
| Mar | 4.51 | 4.63 | -0.12 |
| Apr | 3.87 | 4.08 | -0.21 |
| May | 3.99 | 3.89 | 0.10 |
| Jun | 4.25 | 4.03 | 0.22 |
| Jul | 4.22 | 4.41 | -0.19 |
| Aug | 4.62 | 4.84 | -0.22 |
| Sep | 3.85 | 3.83 | 0.02 |
| Oct | 3.36 | 3.62 | -0.26 |
| Nov | 3.71 | 3.95 | -0.24 |
| Dec | 4.46 | 4.90 | -0.44 |
48.95 | 50.34 | -1.39 |