| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.14 | -0.18 |
| Feb | 2.59 | 2.80 | -0.21 |
| Mar | 3.96 | 4.18 | -0.22 |
| Apr | 3.30 | 3.45 | -0.15 |
| May | 3.65 | 4.06 | -0.41 |
| Jun | 4.25 | 4.42 | -0.17 |
| Jul | 4.44 | 4.59 | -0.15 |
| Aug | 4.40 | 4.39 | 0.01 |
| Sep | 4.57 | 4.66 | -0.09 |
| Oct | 3.82 | 4.17 | -0.35 |
| Nov | 3.05 | 3.20 | -0.15 |
| Dec | 3.66 | 3.83 | -0.17 |
44.65 | 46.89 | -2.24 |