| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.65 | 0.70 | -0.05 |
| Feb | 0.65 | 0.71 | -0.06 |
| Mar | 1.21 | 1.30 | -0.09 |
| Apr | 2.11 | 2.24 | -0.13 |
| May | 3.38 | 3.41 | -0.03 |
| Jun | 4.28 | 4.30 | -0.02 |
| Jul | 4.34 | 4.34 | 0.00 |
| Aug | 3.39 | 3.17 | 0.22 |
| Sep | 2.89 | 2.85 | 0.04 |
| Oct | 2.69 | 2.75 | -0.06 |
| Nov | 1.23 | 1.25 | -0.02 |
| Dec | 0.89 | 0.93 | -0.04 |
27.71 | 27.95 | -0.24 |