| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.35 | 7.06 | 0.29 |
| Feb | 6.42 | 6.16 | 0.26 |
| Mar | 7.02 | 6.70 | 0.32 |
| Apr | 6.42 | 6.46 | -0.04 |
| May | 5.85 | 6.09 | -0.24 |
| Jun | 6.45 | 6.23 | 0.22 |
| Jul | 6.33 | 6.52 | -0.19 |
| Aug | 6.37 | 6.55 | -0.18 |
| Sep | 5.91 | 6.74 | -0.83 |
| Oct | 6.33 | 5.54 | 0.79 |
| Nov | 6.92 | 6.66 | 0.26 |
| Dec | 7.74 | 7.50 | 0.24 |
79.11 | 78.21 | 0.90 |