| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.41 | 3.61 | -0.20 |
| Feb | 2.98 | 3.12 | -0.14 |
| Mar | 3.64 | 3.89 | -0.25 |
| Apr | 3.58 | 3.69 | -0.11 |
| May | 3.75 | 3.70 | 0.05 |
| Jun | 4.56 | 4.62 | -0.06 |
| Jul | 4.25 | 4.31 | -0.06 |
| Aug | 4.41 | 4.33 | 0.08 |
| Sep | 4.31 | 4.25 | 0.06 |
| Oct | 4.91 | 4.97 | -0.06 |
| Nov | 3.58 | 3.69 | -0.11 |
| Dec | 4.12 | 4.23 | -0.11 |
47.50 | 48.41 | -0.91 |