| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.38 | 5.48 | -0.10 |
| Feb | 5.61 | 5.75 | -0.14 |
| Mar | 5.36 | 5.56 | -0.20 |
| Apr | 5.88 | 6.10 | -0.22 |
| May | 4.74 | 5.05 | -0.31 |
| Jun | 4.45 | 4.66 | -0.21 |
| Jul | 4.90 | 5.15 | -0.25 |
| Aug | 3.88 | 4.50 | -0.62 |
| Sep | 3.49 | 3.62 | -0.13 |
| Oct | 3.69 | 3.72 | -0.03 |
| Nov | 4.40 | 4.55 | -0.15 |
| Dec | 5.83 | 5.90 | -0.07 |
57.61 | 60.04 | -2.43 |