| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 7.03 | 6.34 | 0.69 |
| Feb | 5.91 | 5.69 | 0.22 |
| Mar | 4.69 | 4.13 | 0.56 |
| Apr | 1.96 | 2.13 | -0.17 |
| May | 1.24 | 1.03 | 0.21 |
| Jun | 0.28 | 0.32 | -0.04 |
| Jul | 0.01 | 0.03 | -0.02 |
| Aug | 0.05 | 0.03 | 0.02 |
| Sep | 0.16 | 0.09 | 0.07 |
| Oct | 1.39 | 1.34 | 0.05 |
| Nov | 3.40 | 3.09 | 0.31 |
| Dec | 6.56 | 6.71 | -0.15 |
32.68 | 30.93 | 1.75 |