| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.20 | 1.88 | 0.32 |
| Feb | 1.72 | 1.41 | 0.31 |
| Mar | 1.84 | 1.38 | 0.46 |
| Apr | 1.26 | 1.21 | 0.05 |
| May | 1.30 | 1.24 | 0.06 |
| Jun | 0.77 | 0.74 | 0.03 |
| Jul | 0.33 | 0.34 | -0.01 |
| Aug | 0.30 | 0.32 | -0.02 |
| Sep | 0.44 | 0.39 | 0.05 |
| Oct | 1.05 | 0.98 | 0.07 |
| Nov | 1.84 | 1.61 | 0.23 |
| Dec | 2.52 | 2.34 | 0.18 |
15.57 | 13.84 | 1.73 |