| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.77 | 0.85 | -0.08 |
| Feb | 0.73 | 0.73 | 0.00 |
| Mar | 1.21 | 1.21 | 0.00 |
| Apr | 1.96 | 2.03 | -0.07 |
| May | 3.07 | 3.19 | -0.12 |
| Jun | 4.45 | 4.44 | 0.01 |
| Jul | 4.00 | 4.09 | -0.09 |
| Aug | 3.26 | 3.30 | -0.04 |
| Sep | 2.99 | 3.21 | -0.22 |
| Oct | 2.68 | 2.68 | 0.00 |
| Nov | 1.35 | 1.41 | -0.06 |
| Dec | 0.99 | 1.09 | -0.10 |
27.46 | 28.23 | -0.77 |