| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.01 | 1.09 | -0.08 |
| Feb | 0.95 | 1.17 | -0.22 |
| Mar | 1.76 | 1.98 | -0.22 |
| Apr | 2.21 | 2.76 | -0.55 |
| May | 2.07 | 2.51 | -0.44 |
| Jun | 1.43 | 1.76 | -0.33 |
| Jul | 3.13 | 3.83 | -0.70 |
| Aug | 2.87 | 3.30 | -0.43 |
| Sep | 1.37 | 1.64 | -0.27 |
| Oct | 1.33 | 1.68 | -0.35 |
| Nov | 1.12 | 1.26 | -0.14 |
| Dec | 1.05 | 1.14 | -0.09 |
20.30 | 24.12 | -3.82 |