| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.32 | 3.39 | -0.07 |
| Feb | 3.16 | 3.42 | -0.26 |
| Mar | 3.89 | 3.97 | -0.08 |
| Apr | 4.28 | 4.32 | -0.04 |
| May | 3.63 | 3.54 | 0.09 |
| Jun | 4.41 | 4.63 | -0.22 |
| Jul | 3.64 | 3.71 | -0.07 |
| Aug | 3.60 | 3.62 | -0.02 |
| Sep | 3.94 | 3.90 | 0.04 |
| Oct | 5.18 | 5.64 | -0.46 |
| Nov | 4.35 | 4.41 | -0.06 |
| Dec | 4.31 | 4.59 | -0.28 |
47.71 | 49.14 | -1.43 |