| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.01 | 2.19 | -0.18 |
| Feb | 1.83 | 2.06 | -0.23 |
| Mar | 2.24 | 2.26 | -0.02 |
| Apr | 3.73 | 3.78 | -0.05 |
| May | 4.45 | 4.53 | -0.08 |
| Jun | 4.23 | 4.45 | -0.22 |
| Jul | 3.69 | 3.82 | -0.13 |
| Aug | 3.89 | 3.96 | -0.07 |
| Sep | 3.27 | 3.31 | -0.04 |
| Oct | 3.42 | 3.67 | -0.25 |
| Nov | 2.52 | 2.65 | -0.13 |
| Dec | 2.10 | 2.31 | -0.21 |
37.38 | 38.99 | -1.61 |