| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.36 | 2.81 | -0.45 |
| Feb | 1.95 | 2.27 | -0.32 |
| Mar | 2.35 | 2.69 | -0.34 |
| Apr | 3.22 | 3.41 | -0.19 |
| May | 3.17 | 3.07 | 0.10 |
| Jun | 3.21 | 3.22 | -0.01 |
| Jul | 3.29 | 3.48 | -0.19 |
| Aug | 3.03 | 3.08 | -0.05 |
| Sep | 3.58 | 3.59 | -0.01 |
| Oct | 3.39 | 3.57 | -0.18 |
| Nov | 2.91 | 2.96 | -0.05 |
| Dec | 2.78 | 3.08 | -0.30 |
35.24 | 37.23 | -1.99 |