| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.96 | 4.29 | -0.33 |
| Feb | 3.26 | 3.43 | -0.17 |
| Mar | 3.59 | 4.25 | -0.66 |
| Apr | 4.27 | 4.81 | -0.54 |
| May | 4.84 | 5.15 | -0.31 |
| Jun | 5.17 | 5.68 | -0.51 |
| Jul | 4.74 | 4.80 | -0.06 |
| Aug | 4.46 | 4.95 | -0.49 |
| Sep | 4.40 | 4.83 | -0.43 |
| Oct | 5.09 | 5.75 | -0.66 |
| Nov | 4.23 | 4.87 | -0.64 |
| Dec | 4.36 | 4.94 | -0.58 |
52.37 | 57.75 | -5.38 |