| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.46 | 3.76 | -0.30 |
| Feb | 2.99 | 3.24 | -0.25 |
| Mar | 3.51 | 3.92 | -0.41 |
| Apr | 3.85 | 4.42 | -0.57 |
| May | 3.85 | 4.06 | -0.21 |
| Jun | 4.51 | 4.82 | -0.31 |
| Jul | 4.71 | 5.02 | -0.31 |
| Aug | 4.24 | 4.49 | -0.25 |
| Sep | 3.86 | 4.08 | -0.22 |
| Oct | 5.19 | 5.62 | -0.43 |
| Nov | 4.20 | 4.46 | -0.26 |
| Dec | 4.32 | 4.77 | -0.45 |
48.69 | 52.66 | -3.97 |