| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.03 | 5.15 | -0.12 |
| Feb | 5.40 | 5.18 | 0.22 |
| Mar | 5.40 | 5.26 | 0.14 |
| Apr | 5.19 | 5.66 | -0.47 |
| May | 4.82 | 5.27 | -0.45 |
| Jun | 5.06 | 5.22 | -0.16 |
| Jul | 5.16 | 5.10 | 0.06 |
| Aug | 3.66 | 3.77 | -0.11 |
| Sep | 4.34 | 4.15 | 0.19 |
| Oct | 3.63 | 3.59 | 0.04 |
| Nov | 4.78 | 4.56 | 0.22 |
| Dec | 6.12 | 6.17 | -0.05 |
58.59 | 59.08 | -0.49 |