| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.09 | 8.27 | 0.82 |
| Feb | 8.07 | 6.90 | 1.17 |
| Mar | 8.25 | 6.86 | 1.39 |
| Apr | 5.26 | 4.75 | 0.51 |
| May | 2.75 | 2.43 | 0.32 |
| Jun | 1.02 | 1.08 | -0.06 |
| Jul | 0.19 | 0.34 | -0.15 |
| Aug | 0.19 | 0.24 | -0.05 |
| Sep | 0.86 | 0.81 | 0.05 |
| Oct | 3.36 | 2.91 | 0.45 |
| Nov | 6.93 | 6.00 | 0.93 |
| Dec | 11.15 | 9.68 | 1.47 |
57.12 | 50.27 | 6.85 |