| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.11 | 4.07 | 0.04 |
| Feb | 4.62 | 4.63 | -0.01 |
| Mar | 4.84 | 4.87 | -0.03 |
| Apr | 4.85 | 5.01 | -0.16 |
| May | 5.06 | 5.31 | -0.25 |
| Jun | 4.21 | 4.26 | -0.05 |
| Jul | 4.33 | 4.51 | -0.18 |
| Aug | 3.63 | 3.55 | 0.08 |
| Sep | 3.77 | 3.84 | -0.07 |
| Oct | 3.53 | 3.60 | -0.07 |
| Nov | 3.66 | 3.75 | -0.09 |
| Dec | 4.79 | 4.89 | -0.10 |
51.40 | 52.29 | -0.89 |