| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.42 | 0.63 | -0.21 |
| Feb | 0.49 | 0.71 | -0.22 |
| Mar | 1.09 | 1.43 | -0.34 |
| Apr | 1.83 | 2.37 | -0.54 |
| May | 2.35 | 2.48 | -0.13 |
| Jun | 2.01 | 2.31 | -0.30 |
| Jul | 2.44 | 2.42 | 0.02 |
| Aug | 2.11 | 2.24 | -0.13 |
| Sep | 1.21 | 1.40 | -0.19 |
| Oct | 0.96 | 1.18 | -0.22 |
| Nov | 0.69 | 0.90 | -0.21 |
| Dec | 0.47 | 0.68 | -0.21 |
16.07 | 18.75 | -2.68 |