| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.44 | 0.54 | -0.10 |
| Feb | 0.49 | 0.62 | -0.13 |
| Mar | 1.09 | 1.46 | -0.37 |
| Apr | 1.82 | 2.03 | -0.21 |
| May | 2.28 | 2.37 | -0.09 |
| Jun | 1.85 | 1.93 | -0.08 |
| Jul | 2.28 | 2.10 | 0.18 |
| Aug | 1.87 | 2.07 | -0.20 |
| Sep | 1.22 | 1.48 | -0.26 |
| Oct | 1.02 | 1.11 | -0.09 |
| Nov | 0.72 | 0.81 | -0.09 |
| Dec | 0.46 | 0.58 | -0.12 |
15.54 | 17.10 | -1.56 |