| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.58 | 1.39 | 0.19 |
| Feb | 1.37 | 1.14 | 0.23 |
| Mar | 1.10 | 1.17 | -0.07 |
| Apr | 0.49 | 0.55 | -0.06 |
| May | 0.47 | 0.56 | -0.09 |
| Jun | 0.37 | 0.35 | 0.02 |
| Jul | 2.35 | 2.07 | 0.28 |
| Aug | 2.81 | 2.78 | 0.03 |
| Sep | 1.50 | 1.55 | -0.05 |
| Oct | 1.31 | 1.24 | 0.07 |
| Nov | 1.22 | 1.20 | 0.02 |
| Dec | 1.32 | 1.63 | -0.31 |
15.89 | 15.63 | 0.26 |