| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.68 | 0.51 | 0.17 |
| Feb | 0.74 | 0.59 | 0.15 |
| Mar | 1.55 | 1.21 | 0.34 |
| Apr | 2.37 | 2.06 | 0.31 |
| May | 2.46 | 2.21 | 0.25 |
| Jun | 2.11 | 2.06 | 0.05 |
| Jul | 3.21 | 2.85 | 0.36 |
| Aug | 2.84 | 3.27 | -0.43 |
| Sep | 1.51 | 1.70 | -0.19 |
| Oct | 1.15 | 0.88 | 0.27 |
| Nov | 0.87 | 0.69 | 0.18 |
| Dec | 0.68 | 0.54 | 0.14 |
20.17 | 18.57 | 1.60 |