| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.23 | 3.35 | -0.12 |
| Feb | 2.83 | 2.93 | -0.10 |
| Mar | 4.08 | 4.21 | -0.13 |
| Apr | 3.44 | 3.55 | -0.11 |
| May | 3.71 | 3.96 | -0.25 |
| Jun | 4.03 | 4.24 | -0.21 |
| Jul | 4.12 | 4.34 | -0.22 |
| Aug | 4.51 | 4.75 | -0.24 |
| Sep | 4.02 | 4.30 | -0.28 |
| Oct | 3.75 | 4.22 | -0.47 |
| Nov | 3.18 | 3.22 | -0.04 |
| Dec | 3.75 | 3.92 | -0.17 |
44.65 | 46.99 | -2.34 |