| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.94 | -0.48 |
| Feb | 2.96 | 3.53 | -0.57 |
| Mar | 4.13 | 4.82 | -0.69 |
| Apr | 4.15 | 4.53 | -0.38 |
| May | 3.56 | 3.87 | -0.31 |
| Jun | 3.87 | 4.09 | -0.22 |
| Jul | 3.18 | 3.52 | -0.34 |
| Aug | 3.74 | 4.21 | -0.47 |
| Sep | 4.09 | 4.44 | -0.35 |
| Oct | 4.52 | 4.77 | -0.25 |
| Nov | 3.72 | 4.00 | -0.28 |
| Dec | 4.28 | 4.83 | -0.55 |
45.66 | 50.55 | -4.89 |