| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.07 | 0.92 | 0.15 |
| Feb | 1.04 | 1.09 | -0.05 |
| Mar | 1.37 | 1.67 | -0.30 |
| Apr | 2.22 | 2.79 | -0.57 |
| May | 2.80 | 3.26 | -0.46 |
| Jun | 3.06 | 3.42 | -0.36 |
| Jul | 1.41 | 1.44 | -0.03 |
| Aug | 1.32 | 1.41 | -0.09 |
| Sep | 1.51 | 1.61 | -0.10 |
| Oct | 1.83 | 2.03 | -0.20 |
| Nov | 1.36 | 1.48 | -0.12 |
| Dec | 1.24 | 1.29 | -0.05 |
20.23 | 22.41 | -2.18 |