| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.75 | 4.11 | -0.36 |
| Feb | 3.32 | 3.65 | -0.33 |
| Mar | 4.82 | 5.38 | -0.56 |
| Apr | 4.31 | 4.73 | -0.42 |
| May | 3.47 | 3.62 | -0.15 |
| Jun | 3.63 | 3.91 | -0.28 |
| Jul | 3.08 | 3.19 | -0.11 |
| Aug | 3.68 | 3.99 | -0.31 |
| Sep | 3.87 | 3.99 | -0.12 |
| Oct | 4.55 | 4.83 | -0.28 |
| Nov | 3.95 | 4.29 | -0.34 |
| Dec | 4.65 | 5.15 | -0.50 |
47.08 | 50.84 | -3.76 |