| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 1.22 | 0.90 | 0.32 |
| Feb | 1.23 | 0.97 | 0.26 |
| Mar | 1.34 | 1.19 | 0.15 |
| Apr | 1.77 | 1.50 | 0.27 |
| May | 1.60 | 1.31 | 0.29 |
| Jun | 1.11 | 1.17 | -0.06 |
| Jul | 1.84 | 1.78 | 0.06 |
| Aug | 1.89 | 1.66 | 0.23 |
| Sep | 1.40 | 1.25 | 0.15 |
| Oct | 1.12 | 0.96 | 0.16 |
| Nov | 1.11 | 0.82 | 0.29 |
| Dec | 1.11 | 0.92 | 0.19 |
16.74 | 14.43 | 2.31 |