| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.51 | 1.68 | -0.17 |
| Feb | 1.38 | 1.52 | -0.14 |
| Mar | 1.87 | 1.95 | -0.08 |
| Apr | 3.56 | 3.68 | -0.12 |
| May | 3.66 | 3.76 | -0.10 |
| Jun | 4.33 | 4.30 | 0.03 |
| Jul | 3.54 | 3.82 | -0.28 |
| Aug | 3.68 | 3.87 | -0.19 |
| Sep | 3.06 | 3.11 | -0.05 |
| Oct | 2.68 | 2.79 | -0.11 |
| Nov | 2.01 | 2.06 | -0.05 |
| Dec | 1.72 | 1.95 | -0.23 |
33.00 | 34.49 | -1.49 |