| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.72 | 0.65 | 0.07 |
| Feb | 1.04 | 0.98 | 0.06 |
| Mar | 1.91 | 1.86 | 0.05 |
| Apr | 2.38 | 2.46 | -0.08 |
| May | 3.85 | 4.02 | -0.17 |
| Jun | 3.98 | 3.96 | 0.02 |
| Jul | 3.34 | 3.30 | 0.04 |
| Aug | 3.47 | 3.41 | 0.06 |
| Sep | 2.07 | 2.27 | -0.20 |
| Oct | 2.37 | 2.30 | 0.07 |
| Nov | 1.19 | 1.12 | 0.07 |
| Dec | 1.02 | 0.97 | 0.05 |
27.34 | 27.30 | 0.04 |