| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.33 | 4.04 | 0.29 |
| Feb | 3.52 | 3.31 | 0.21 |
| Mar | 3.84 | 3.70 | 0.14 |
| Apr | 3.42 | 3.55 | -0.13 |
| May | 4.01 | 4.39 | -0.38 |
| Jun | 4.71 | 5.06 | -0.35 |
| Jul | 5.50 | 5.73 | -0.23 |
| Aug | 6.28 | 6.61 | -0.33 |
| Sep | 6.04 | 6.30 | -0.26 |
| Oct | 4.22 | 3.89 | 0.33 |
| Nov | 3.87 | 3.71 | 0.16 |
| Dec | 3.87 | 3.85 | 0.02 |
53.61 | 54.14 | -0.53 |