| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.26 | 3.30 | -0.04 |
| Feb | 2.84 | 2.92 | -0.08 |
| Mar | 4.11 | 4.14 | -0.03 |
| Apr | 3.39 | 3.49 | -0.10 |
| May | 3.77 | 3.97 | -0.20 |
| Jun | 4.12 | 4.13 | -0.01 |
| Jul | 4.21 | 4.37 | -0.16 |
| Aug | 4.62 | 4.78 | -0.16 |
| Sep | 3.98 | 4.04 | -0.06 |
| Oct | 3.77 | 4.14 | -0.37 |
| Nov | 3.19 | 3.18 | 0.01 |
| Dec | 3.81 | 3.85 | -0.04 |
45.07 | 46.31 | -1.24 |