| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.12 | 1.21 | -0.09 |
| Feb | 1.46 | 1.59 | -0.13 |
| Mar | 2.36 | 2.48 | -0.12 |
| Apr | 3.89 | 4.07 | -0.18 |
| May | 5.26 | 5.34 | -0.08 |
| Jun | 5.12 | 5.41 | -0.29 |
| Jul | 4.47 | 4.43 | 0.04 |
| Aug | 4.34 | 4.44 | -0.10 |
| Sep | 3.84 | 4.27 | -0.43 |
| Oct | 3.17 | 3.38 | -0.21 |
| Nov | 2.07 | 2.15 | -0.08 |
| Dec | 1.55 | 1.66 | -0.11 |
38.65 | 40.43 | -1.78 |