| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.02 | 1.10 | -0.08 |
| Feb | 1.37 | 1.49 | -0.12 |
| Mar | 2.33 | 2.46 | -0.13 |
| Apr | 3.87 | 4.10 | -0.23 |
| May | 5.12 | 5.30 | -0.18 |
| Jun | 5.18 | 5.29 | -0.11 |
| Jul | 4.32 | 4.62 | -0.30 |
| Aug | 4.33 | 4.44 | -0.11 |
| Sep | 3.68 | 4.10 | -0.42 |
| Oct | 3.25 | 3.44 | -0.19 |
| Nov | 1.91 | 2.10 | -0.19 |
| Dec | 1.53 | 1.64 | -0.11 |
37.91 | 40.08 | -2.17 |