| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.72 | 0.05 |
| Feb | 0.81 | 0.84 | -0.03 |
| Mar | 1.17 | 1.27 | -0.10 |
| Apr | 1.43 | 1.56 | -0.13 |
| May | 2.75 | 2.76 | -0.01 |
| Jun | 3.03 | 2.98 | 0.05 |
| Jul | 1.93 | 1.79 | 0.14 |
| Aug | 2.12 | 2.14 | -0.02 |
| Sep | 2.68 | 2.27 | 0.41 |
| Oct | 1.57 | 1.85 | -0.28 |
| Nov | 1.08 | 1.21 | -0.13 |
| Dec | 0.79 | 0.78 | 0.01 |
20.13 | 20.17 | -0.04 |