| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.82 | -0.34 |
| Feb | 3.04 | 3.28 | -0.24 |
| Mar | 4.04 | 4.30 | -0.26 |
| Apr | 4.11 | 4.48 | -0.37 |
| May | 3.66 | 3.81 | -0.15 |
| Jun | 4.39 | 4.37 | 0.02 |
| Jul | 4.11 | 4.24 | -0.13 |
| Aug | 4.02 | 4.28 | -0.26 |
| Sep | 4.31 | 4.56 | -0.25 |
| Oct | 5.07 | 5.16 | -0.09 |
| Nov | 3.86 | 4.05 | -0.19 |
| Dec | 4.32 | 4.59 | -0.27 |
48.41 | 50.94 | -2.53 |