| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.16 | 3.10 | 0.06 |
| Feb | 2.47 | 2.48 | -0.01 |
| Mar | 3.34 | 3.30 | 0.04 |
| Apr | 2.73 | 2.79 | -0.06 |
| May | 4.96 | 4.53 | 0.43 |
| Jun | 3.46 | 3.36 | 0.10 |
| Jul | 1.81 | 1.87 | -0.06 |
| Aug | 2.77 | 2.58 | 0.19 |
| Sep | 3.32 | 3.16 | 0.16 |
| Oct | 4.28 | 4.34 | -0.06 |
| Nov | 3.28 | 3.24 | 0.04 |
| Dec | 3.43 | 3.42 | 0.01 |
39.01 | 38.17 | 0.84 |