| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.72 | -0.07 |
| Feb | 0.68 | 0.80 | -0.12 |
| Mar | 1.43 | 1.45 | -0.02 |
| Apr | 2.48 | 2.48 | 0.00 |
| May | 3.41 | 3.43 | -0.02 |
| Jun | 4.22 | 4.24 | -0.02 |
| Jul | 3.67 | 3.52 | 0.15 |
| Aug | 3.79 | 3.77 | 0.02 |
| Sep | 2.87 | 2.87 | 0.00 |
| Oct | 2.34 | 2.31 | 0.03 |
| Nov | 1.13 | 1.18 | -0.05 |
| Dec | 0.81 | 0.82 | -0.01 |
27.48 | 27.59 | -0.11 |