| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.36 | 0.39 | -0.03 |
| Feb | 0.40 | 0.43 | -0.03 |
| Mar | 0.66 | 0.72 | -0.06 |
| Apr | 1.34 | 1.33 | 0.01 |
| May | 2.67 | 2.65 | 0.02 |
| Jun | 3.11 | 3.20 | -0.09 |
| Jul | 2.41 | 2.47 | -0.06 |
| Aug | 1.78 | 1.87 | -0.09 |
| Sep | 1.62 | 1.87 | -0.25 |
| Oct | 1.28 | 1.30 | -0.02 |
| Nov | 0.51 | 0.57 | -0.06 |
| Dec | 0.38 | 0.41 | -0.03 |
16.52 | 17.21 | -0.69 |