| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 6.32 | 6.55 | -0.23 |
| Feb | 5.49 | 5.72 | -0.23 |
| Mar | 5.46 | 5.50 | -0.04 |
| Apr | 5.28 | 5.18 | 0.10 |
| May | 5.03 | 5.07 | -0.04 |
| Jun | 5.22 | 5.75 | -0.53 |
| Jul | 5.69 | 6.17 | -0.48 |
| Aug | 5.59 | 5.70 | -0.11 |
| Sep | 3.95 | 4.15 | -0.20 |
| Oct | 4.37 | 4.23 | 0.14 |
| Nov | 4.37 | 4.42 | -0.05 |
| Dec | 5.40 | 5.57 | -0.17 |
62.17 | 64.01 | -1.84 |