| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.66 | 1.73 | -0.07 |
| Feb | 1.60 | 1.66 | -0.06 |
| Mar | 2.07 | 1.95 | 0.12 |
| Apr | 3.69 | 3.79 | -0.10 |
| May | 3.90 | 3.95 | -0.05 |
| Jun | 4.45 | 4.70 | -0.25 |
| Jul | 3.57 | 3.55 | 0.02 |
| Aug | 3.74 | 3.78 | -0.04 |
| Sep | 3.29 | 3.30 | -0.01 |
| Oct | 2.89 | 2.83 | 0.06 |
| Nov | 2.17 | 2.19 | -0.02 |
| Dec | 1.89 | 1.96 | -0.07 |
34.92 | 35.39 | -0.47 |