| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.44 | 3.58 | -0.14 |
| Feb | 2.71 | 2.85 | -0.14 |
| Mar | 4.09 | 4.28 | -0.19 |
| Apr | 3.70 | 3.66 | 0.04 |
| May | 3.96 | 4.08 | -0.12 |
| Jun | 4.35 | 4.41 | -0.06 |
| Jul | 5.00 | 4.83 | 0.17 |
| Aug | 4.39 | 4.58 | -0.19 |
| Sep | 4.25 | 4.30 | -0.05 |
| Oct | 4.11 | 4.11 | 0.00 |
| Nov | 3.29 | 3.32 | -0.03 |
| Dec | 4.21 | 4.39 | -0.18 |
47.50 | 48.39 | -0.89 |