| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.43 | 3.50 | -0.07 |
| Feb | 3.31 | 3.56 | -0.25 |
| Mar | 4.17 | 4.33 | -0.16 |
| Apr | 4.40 | 4.68 | -0.28 |
| May | 3.78 | 3.86 | -0.08 |
| Jun | 4.39 | 4.52 | -0.13 |
| Jul | 3.85 | 3.96 | -0.11 |
| Aug | 3.70 | 3.71 | -0.01 |
| Sep | 3.81 | 3.87 | -0.06 |
| Oct | 5.33 | 5.64 | -0.31 |
| Nov | 4.34 | 4.36 | -0.02 |
| Dec | 4.46 | 4.70 | -0.24 |
48.97 | 50.69 | -1.72 |