| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.38 | 0.41 | -0.03 |
| Feb | 0.46 | 0.45 | 0.01 |
| Mar | 0.69 | 0.67 | 0.02 |
| Apr | 1.29 | 1.30 | -0.01 |
| May | 2.53 | 2.65 | -0.12 |
| Jun | 3.27 | 3.30 | -0.03 |
| Jul | 2.51 | 2.94 | -0.43 |
| Aug | 1.93 | 2.05 | -0.12 |
| Sep | 1.67 | 1.84 | -0.17 |
| Oct | 1.29 | 1.37 | -0.08 |
| Nov | 0.61 | 0.63 | -0.02 |
| Dec | 0.55 | 0.53 | 0.02 |
17.18 | 18.14 | -0.96 |