| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.17 | 1.25 | -0.08 |
| Feb | 1.48 | 1.58 | -0.10 |
| Mar | 2.33 | 2.43 | -0.10 |
| Apr | 4.01 | 3.99 | 0.02 |
| May | 5.33 | 5.48 | -0.15 |
| Jun | 4.99 | 5.26 | -0.27 |
| Jul | 4.74 | 4.85 | -0.11 |
| Aug | 4.33 | 4.41 | -0.08 |
| Sep | 3.89 | 4.30 | -0.41 |
| Oct | 3.25 | 3.36 | -0.11 |
| Nov | 2.11 | 2.16 | -0.05 |
| Dec | 1.67 | 1.65 | 0.02 |
39.30 | 40.72 | -1.42 |