| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.96 | 3.30 | -0.34 |
| Feb | 2.19 | 2.33 | -0.14 |
| Mar | 2.02 | 2.25 | -0.23 |
| Apr | 1.69 | 1.93 | -0.24 |
| May | 1.33 | 1.54 | -0.21 |
| Jun | 0.72 | 0.87 | -0.15 |
| Jul | 0.35 | 0.33 | 0.02 |
| Aug | 0.32 | 0.36 | -0.04 |
| Sep | 0.43 | 0.51 | -0.08 |
| Oct | 1.34 | 1.51 | -0.17 |
| Nov | 2.61 | 2.84 | -0.23 |
| Dec | 3.76 | 4.20 | -0.44 |
19.72 | 21.97 | -2.25 |