| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.45 | 0.59 | -0.14 |
| Feb | 0.52 | 0.68 | -0.16 |
| Mar | 1.15 | 1.51 | -0.36 |
| Apr | 1.86 | 2.25 | -0.39 |
| May | 2.32 | 2.41 | -0.09 |
| Jun | 1.79 | 1.89 | -0.10 |
| Jul | 2.24 | 2.12 | 0.12 |
| Aug | 1.81 | 2.16 | -0.35 |
| Sep | 1.29 | 1.38 | -0.09 |
| Oct | 0.96 | 1.22 | -0.26 |
| Nov | 0.66 | 0.86 | -0.20 |
| Dec | 0.50 | 0.66 | -0.16 |
15.55 | 17.73 | -2.18 |