| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.07 | 2.77 | 0.30 |
| Feb | 2.24 | 1.93 | 0.31 |
| Mar | 2.16 | 1.78 | 0.38 |
| Apr | 1.69 | 1.51 | 0.18 |
| May | 1.49 | 1.24 | 0.25 |
| Jun | 0.75 | 0.63 | 0.12 |
| Jul | 0.27 | 0.28 | -0.01 |
| Aug | 0.37 | 0.42 | -0.05 |
| Sep | 0.49 | 0.46 | 0.03 |
| Oct | 1.35 | 1.27 | 0.08 |
| Nov | 2.62 | 2.26 | 0.36 |
| Dec | 3.65 | 3.31 | 0.34 |
20.15 | 17.86 | 2.29 |