| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.26 | -0.04 |
| Feb | 1.98 | 2.11 | -0.13 |
| Mar | 2.59 | 2.69 | -0.10 |
| Apr | 3.97 | 3.96 | 0.01 |
| May | 4.38 | 4.43 | -0.05 |
| Jun | 4.52 | 4.62 | -0.10 |
| Jul | 4.26 | 4.23 | 0.03 |
| Aug | 3.34 | 3.17 | 0.17 |
| Sep | 3.15 | 3.20 | -0.05 |
| Oct | 3.26 | 3.29 | -0.03 |
| Nov | 3.10 | 3.14 | -0.04 |
| Dec | 2.27 | 2.37 | -0.10 |
39.04 | 39.47 | -0.43 |