| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.13 | 3.18 | -0.05 |
| Feb | 2.81 | 2.65 | 0.16 |
| Mar | 3.18 | 2.97 | 0.21 |
| Apr | 3.67 | 3.69 | -0.02 |
| May | 4.18 | 4.10 | 0.08 |
| Jun | 4.74 | 4.62 | 0.12 |
| Jul | 5.13 | 5.02 | 0.11 |
| Aug | 4.46 | 4.87 | -0.41 |
| Sep | 3.87 | 3.88 | -0.01 |
| Oct | 4.81 | 4.78 | 0.03 |
| Nov | 3.62 | 3.65 | -0.03 |
| Dec | 3.81 | 4.11 | -0.30 |
47.41 | 47.52 | -0.11 |