| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.39 | 0.45 | -0.06 |
| Feb | 0.40 | 0.43 | -0.03 |
| Mar | 0.64 | 0.72 | -0.08 |
| Apr | 1.07 | 1.04 | 0.03 |
| May | 2.51 | 2.70 | -0.19 |
| Jun | 3.51 | 3.73 | -0.22 |
| Jul | 3.22 | 3.26 | -0.04 |
| Aug | 2.25 | 2.48 | -0.23 |
| Sep | 1.89 | 1.96 | -0.07 |
| Oct | 1.38 | 1.53 | -0.15 |
| Nov | 0.58 | 0.69 | -0.11 |
| Dec | 0.53 | 0.65 | -0.12 |
18.37 | 19.64 | -1.27 |