| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.24 | 4.38 | -0.14 |
| Feb | 4.30 | 4.33 | -0.03 |
| Mar | 4.64 | 4.58 | 0.06 |
| Apr | 3.67 | 3.92 | -0.25 |
| May | 2.85 | 2.97 | -0.12 |
| Jun | 4.24 | 4.43 | -0.19 |
| Jul | 5.12 | 4.99 | 0.13 |
| Aug | 4.36 | 4.40 | -0.04 |
| Sep | 3.56 | 3.79 | -0.23 |
| Oct | 2.77 | 2.87 | -0.10 |
| Nov | 3.36 | 3.55 | -0.19 |
| Dec | 4.84 | 4.63 | 0.21 |
47.95 | 48.84 | -0.89 |