| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.94 | 0.91 | 0.03 |
| Feb | 0.99 | 0.96 | 0.03 |
| Mar | 1.66 | 1.61 | 0.05 |
| Apr | 2.85 | 2.91 | -0.06 |
| May | 3.92 | 3.94 | -0.02 |
| Jun | 4.36 | 4.39 | -0.03 |
| Jul | 4.25 | 4.17 | 0.08 |
| Aug | 4.04 | 4.11 | -0.07 |
| Sep | 3.66 | 3.69 | -0.03 |
| Oct | 3.14 | 3.21 | -0.07 |
| Nov | 1.83 | 1.77 | 0.06 |
| Dec | 1.34 | 1.29 | 0.05 |
32.98 | 32.96 | 0.02 |