| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.83 | 4.35 | -0.52 |
| Feb | 3.09 | 3.34 | -0.25 |
| Mar | 3.99 | 4.32 | -0.33 |
| Apr | 4.22 | 4.77 | -0.55 |
| May | 4.29 | 4.63 | -0.34 |
| Jun | 4.40 | 4.52 | -0.12 |
| Jul | 4.24 | 4.47 | -0.23 |
| Aug | 4.52 | 5.19 | -0.67 |
| Sep | 4.00 | 4.25 | -0.25 |
| Oct | 3.47 | 3.80 | -0.33 |
| Nov | 3.22 | 3.38 | -0.16 |
| Dec | 3.90 | 4.40 | -0.50 |
47.17 | 51.42 | -4.25 |