| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.00 | 0.94 | 0.06 |
| Feb | 1.00 | 0.98 | 0.02 |
| Mar | 1.94 | 1.84 | 0.10 |
| Apr | 3.47 | 3.41 | 0.06 |
| May | 4.49 | 4.36 | 0.13 |
| Jun | 5.42 | 5.36 | 0.06 |
| Jul | 4.38 | 4.22 | 0.16 |
| Aug | 4.31 | 4.28 | 0.03 |
| Sep | 3.69 | 3.57 | 0.12 |
| Oct | 2.47 | 2.36 | 0.11 |
| Nov | 1.78 | 1.68 | 0.10 |
| Dec | 1.22 | 1.17 | 0.05 |
35.17 | 34.17 | 1.00 |