| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.13 | 2.23 | -0.10 |
| Feb | 1.84 | 1.73 | 0.11 |
| Mar | 2.12 | 1.97 | 0.15 |
| Apr | 2.31 | 2.10 | 0.21 |
| May | 2.43 | 2.43 | 0.00 |
| Jun | 1.32 | 1.34 | -0.02 |
| Jul | 0.59 | 0.51 | 0.08 |
| Aug | 0.69 | 0.74 | -0.05 |
| Sep | 1.25 | 1.35 | -0.10 |
| Oct | 1.88 | 1.77 | 0.11 |
| Nov | 1.55 | 1.46 | 0.09 |
| Dec | 1.91 | 1.82 | 0.09 |
20.02 | 19.45 | 0.57 |