| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.05 | 3.06 | -0.01 |
| Feb | 2.67 | 2.79 | -0.12 |
| Mar | 4.01 | 3.98 | 0.03 |
| Apr | 3.27 | 3.24 | 0.03 |
| May | 3.85 | 4.08 | -0.23 |
| Jun | 4.24 | 4.31 | -0.07 |
| Jul | 4.47 | 4.49 | -0.02 |
| Aug | 4.30 | 4.40 | -0.10 |
| Sep | 4.56 | 4.48 | 0.08 |
| Oct | 3.82 | 4.10 | -0.28 |
| Nov | 3.12 | 3.18 | -0.06 |
| Dec | 3.69 | 3.72 | -0.03 |
45.05 | 45.83 | -0.78 |