| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.25 | 3.48 | -0.23 |
| Feb | 3.03 | 3.14 | -0.11 |
| Mar | 3.35 | 3.47 | -0.12 |
| Apr | 3.21 | 3.23 | -0.02 |
| May | 3.04 | 3.07 | -0.03 |
| Jun | 5.33 | 5.40 | -0.07 |
| Jul | 5.64 | 5.93 | -0.29 |
| Aug | 6.32 | 6.65 | -0.33 |
| Sep | 5.24 | 5.35 | -0.11 |
| Oct | 4.32 | 4.38 | -0.06 |
| Nov | 2.71 | 2.83 | -0.12 |
| Dec | 3.18 | 3.50 | -0.32 |
48.62 | 50.43 | -1.81 |