| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.51 | -0.03 |
| Feb | 3.05 | 3.03 | 0.02 |
| Mar | 3.60 | 3.69 | -0.09 |
| Apr | 3.38 | 3.47 | -0.09 |
| May | 3.56 | 3.57 | -0.01 |
| Jun | 4.71 | 4.55 | 0.16 |
| Jul | 5.39 | 5.33 | 0.06 |
| Aug | 5.01 | 5.26 | -0.25 |
| Sep | 5.40 | 5.37 | 0.03 |
| Oct | 3.21 | 3.34 | -0.13 |
| Nov | 3.27 | 3.33 | -0.06 |
| Dec | 3.37 | 3.40 | -0.03 |
47.43 | 47.85 | -0.42 |