| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.76 | 5.42 | -0.66 |
| Feb | 4.60 | 4.95 | -0.35 |
| Mar | 4.77 | 5.15 | -0.38 |
| Apr | 4.88 | 5.54 | -0.66 |
| May | 3.34 | 3.70 | -0.36 |
| Jun | 6.21 | 6.57 | -0.36 |
| Jul | 7.06 | 7.31 | -0.25 |
| Aug | 7.22 | 7.42 | -0.20 |
| Sep | 6.24 | 6.36 | -0.12 |
| Oct | 4.36 | 4.39 | -0.03 |
| Nov | 4.14 | 4.49 | -0.35 |
| Dec | 4.94 | 5.25 | -0.31 |
62.52 | 66.55 | -4.03 |