| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.79 | 0.96 | -0.17 |
| Feb | 0.88 | 1.00 | -0.12 |
| Mar | 1.08 | 1.17 | -0.09 |
| Apr | 2.40 | 2.43 | -0.03 |
| May | 3.26 | 3.38 | -0.12 |
| Jun | 3.05 | 3.32 | -0.27 |
| Jul | 2.46 | 2.38 | 0.08 |
| Aug | 1.69 | 1.83 | -0.14 |
| Sep | 1.32 | 1.36 | -0.04 |
| Oct | 1.78 | 1.82 | -0.04 |
| Nov | 0.92 | 1.08 | -0.16 |
| Dec | 0.67 | 0.84 | -0.17 |
20.30 | 21.57 | -1.27 |