| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.27 | 2.28 | -0.01 |
| Feb | 1.94 | 1.96 | -0.02 |
| Mar | 2.34 | 2.32 | 0.02 |
| Apr | 3.61 | 3.65 | -0.04 |
| May | 4.26 | 4.30 | -0.04 |
| Jun | 4.58 | 4.76 | -0.18 |
| Jul | 4.48 | 4.40 | 0.08 |
| Aug | 4.05 | 4.27 | -0.22 |
| Sep | 3.44 | 3.38 | 0.06 |
| Oct | 3.48 | 3.49 | -0.01 |
| Nov | 2.73 | 2.69 | 0.04 |
| Dec | 2.16 | 2.18 | -0.02 |
39.34 | 39.68 | -0.34 |