| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.48 | 3.58 | -0.10 |
| Feb | 2.86 | 2.92 | -0.06 |
| Mar | 3.97 | 4.12 | -0.15 |
| Apr | 4.93 | 5.26 | -0.33 |
| May | 5.12 | 5.35 | -0.23 |
| Jun | 4.95 | 5.29 | -0.34 |
| Jul | 4.32 | 4.51 | -0.19 |
| Aug | 3.72 | 4.06 | -0.34 |
| Sep | 3.32 | 3.37 | -0.05 |
| Oct | 3.47 | 3.59 | -0.12 |
| Nov | 3.62 | 3.73 | -0.11 |
| Dec | 3.62 | 3.77 | -0.15 |
47.38 | 49.55 | -2.17 |