| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.35 | 3.43 | -0.08 |
| Feb | 3.20 | 3.36 | -0.16 |
| Mar | 3.45 | 3.51 | -0.06 |
| Apr | 3.28 | 3.21 | 0.07 |
| May | 3.36 | 3.54 | -0.18 |
| Jun | 5.64 | 5.71 | -0.07 |
| Jul | 5.71 | 6.26 | -0.55 |
| Aug | 6.24 | 6.44 | -0.20 |
| Sep | 5.12 | 5.44 | -0.32 |
| Oct | 4.25 | 4.17 | 0.08 |
| Nov | 2.86 | 2.77 | 0.09 |
| Dec | 3.39 | 3.65 | -0.26 |
49.85 | 51.49 | -1.64 |