| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.89 | 3.84 | 0.05 |
| Feb | 3.48 | 3.55 | -0.07 |
| Mar | 3.92 | 3.96 | -0.04 |
| Apr | 3.39 | 3.47 | -0.08 |
| May | 4.22 | 4.28 | -0.06 |
| Jun | 5.37 | 5.18 | 0.19 |
| Jul | 6.32 | 6.90 | -0.58 |
| Aug | 7.17 | 7.60 | -0.43 |
| Sep | 8.05 | 9.11 | -1.06 |
| Oct | 4.62 | 4.90 | -0.28 |
| Nov | 3.67 | 3.72 | -0.05 |
| Dec | 3.66 | 3.89 | -0.23 |
57.76 | 60.40 | -2.64 |