| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.44 | 1.49 | -0.05 |
| Feb | 1.65 | 1.68 | -0.03 |
| Mar | 2.31 | 2.30 | 0.01 |
| Apr | 3.67 | 3.72 | -0.05 |
| May | 4.29 | 4.43 | -0.14 |
| Jun | 5.41 | 5.37 | 0.04 |
| Jul | 4.56 | 4.44 | 0.12 |
| Aug | 3.88 | 3.89 | -0.01 |
| Sep | 3.67 | 3.65 | 0.02 |
| Oct | 2.88 | 2.90 | -0.02 |
| Nov | 2.31 | 2.34 | -0.03 |
| Dec | 1.87 | 1.94 | -0.07 |
37.94 | 38.15 | -0.21 |