| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.73 | 2.84 | -0.11 |
| Feb | 2.19 | 2.36 | -0.17 |
| Mar | 3.29 | 3.49 | -0.20 |
| Apr | 3.41 | 3.47 | -0.06 |
| May | 4.03 | 4.05 | -0.02 |
| Jun | 3.61 | 3.74 | -0.13 |
| Jul | 3.69 | 3.55 | 0.14 |
| Aug | 3.34 | 3.31 | 0.03 |
| Sep | 4.18 | 4.21 | -0.03 |
| Oct | 3.02 | 3.32 | -0.30 |
| Nov | 2.81 | 2.90 | -0.09 |
| Dec | 3.27 | 3.35 | -0.08 |
39.57 | 40.59 | -1.02 |