| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 9.70 | 9.02 | 0.68 |
| Feb | 7.50 | 7.15 | 0.35 |
| Mar | 7.84 | 7.25 | 0.59 |
| Apr | 5.51 | 5.32 | 0.19 |
| May | 2.99 | 2.82 | 0.17 |
| Jun | 1.56 | 1.55 | 0.01 |
| Jul | 0.31 | 0.32 | -0.01 |
| Aug | 0.45 | 0.44 | 0.01 |
| Sep | 1.33 | 1.36 | -0.03 |
| Oct | 4.16 | 3.97 | 0.19 |
| Nov | 8.44 | 8.17 | 0.27 |
| Dec | 10.99 | 10.77 | 0.22 |
60.78 | 58.14 | 2.64 |