| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.35 | 0.31 | 0.04 |
| Feb | 0.47 | 0.48 | -0.01 |
| Mar | 0.85 | 0.87 | -0.02 |
| Apr | 1.97 | 1.85 | 0.12 |
| May | 3.07 | 3.02 | 0.05 |
| Jun | 2.86 | 2.75 | 0.11 |
| Jul | 2.48 | 2.15 | 0.33 |
| Aug | 1.72 | 1.47 | 0.25 |
| Sep | 1.46 | 1.41 | 0.05 |
| Oct | 1.22 | 1.23 | -0.01 |
| Nov | 0.50 | 0.49 | 0.01 |
| Dec | 0.41 | 0.42 | -0.01 |
17.36 | 16.45 | 0.91 |