| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.39 | 5.46 | -0.07 |
| Feb | 5.42 | 5.59 | -0.17 |
| Mar | 5.43 | 5.55 | -0.12 |
| Apr | 4.83 | 4.96 | -0.13 |
| May | 4.09 | 4.09 | 0.00 |
| Jun | 4.62 | 4.66 | -0.04 |
| Jul | 4.77 | 4.90 | -0.13 |
| Aug | 4.13 | 4.32 | -0.19 |
| Sep | 3.35 | 3.52 | -0.17 |
| Oct | 3.14 | 3.20 | -0.06 |
| Nov | 4.22 | 4.44 | -0.22 |
| Dec | 5.27 | 5.43 | -0.16 |
54.66 | 56.12 | -1.46 |