| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.75 | -0.10 |
| Feb | 0.66 | 0.82 | -0.16 |
| Mar | 1.40 | 1.46 | -0.06 |
| Apr | 2.45 | 2.50 | -0.05 |
| May | 3.37 | 3.43 | -0.06 |
| Jun | 4.18 | 4.21 | -0.03 |
| Jul | 3.65 | 3.59 | 0.06 |
| Aug | 3.78 | 3.82 | -0.04 |
| Sep | 2.84 | 2.87 | -0.03 |
| Oct | 2.34 | 2.34 | 0.00 |
| Nov | 1.11 | 1.20 | -0.09 |
| Dec | 0.79 | 0.82 | -0.03 |
27.22 | 27.81 | -0.59 |