| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.04 | 2.31 | -0.27 |
| Feb | 1.91 | 2.15 | -0.24 |
| Mar | 1.75 | 1.96 | -0.21 |
| Apr | 1.89 | 2.10 | -0.21 |
| May | 1.88 | 1.96 | -0.08 |
| Jun | 1.12 | 1.20 | -0.08 |
| Jul | 0.86 | 0.91 | -0.05 |
| Aug | 1.11 | 1.17 | -0.06 |
| Sep | 1.32 | 1.55 | -0.23 |
| Oct | 1.74 | 1.94 | -0.20 |
| Nov | 1.95 | 2.10 | -0.15 |
| Dec | 1.81 | 1.96 | -0.15 |
19.38 | 21.31 | -1.93 |