| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.34 | 0.39 | -0.05 |
| Feb | 0.54 | 0.54 | 0.00 |
| Mar | 1.07 | 1.13 | -0.06 |
| Apr | 2.26 | 2.34 | -0.08 |
| May | 4.11 | 4.11 | 0.00 |
| Jun | 3.34 | 3.30 | 0.04 |
| Jul | 2.96 | 2.90 | 0.06 |
| Aug | 2.08 | 2.18 | -0.10 |
| Sep | 1.52 | 1.45 | 0.07 |
| Oct | 1.54 | 1.64 | -0.10 |
| Nov | 0.52 | 0.58 | -0.06 |
| Dec | 0.38 | 0.44 | -0.06 |
20.66 | 21.00 | -0.34 |