| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.09 | 3.27 | -0.18 |
| Feb | 2.55 | 2.84 | -0.29 |
| Mar | 3.27 | 3.53 | -0.26 |
| Apr | 3.42 | 3.67 | -0.25 |
| May | 3.78 | 3.94 | -0.16 |
| Jun | 4.56 | 4.79 | -0.23 |
| Jul | 4.29 | 4.56 | -0.27 |
| Aug | 4.37 | 4.64 | -0.27 |
| Sep | 4.53 | 4.51 | 0.02 |
| Oct | 4.35 | 4.66 | -0.31 |
| Nov | 3.37 | 3.69 | -0.32 |
| Dec | 3.69 | 4.05 | -0.36 |
45.27 | 48.15 | -2.88 |