| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.78 | 0.72 | 0.06 |
| Feb | 0.80 | 0.82 | -0.02 |
| Mar | 1.41 | 1.18 | 0.23 |
| Apr | 2.41 | 1.96 | 0.45 |
| May | 3.41 | 3.15 | 0.26 |
| Jun | 2.17 | 2.13 | 0.04 |
| Jul | 1.27 | 1.24 | 0.03 |
| Aug | 0.80 | 0.86 | -0.06 |
| Sep | 1.61 | 1.56 | 0.05 |
| Oct | 2.11 | 1.69 | 0.42 |
| Nov | 1.03 | 0.85 | 0.18 |
| Dec | 0.84 | 0.61 | 0.23 |
18.64 | 16.77 | 1.87 |