| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.68 | 5.50 | -0.82 |
| Feb | 3.65 | 3.87 | -0.22 |
| Mar | 4.91 | 5.81 | -0.90 |
| Apr | 5.40 | 6.44 | -1.04 |
| May | 5.45 | 6.69 | -1.24 |
| Jun | 5.46 | 6.79 | -1.33 |
| Jul | 5.57 | 6.50 | -0.93 |
| Aug | 5.28 | 6.62 | -1.34 |
| Sep | 5.48 | 6.47 | -0.99 |
| Oct | 4.54 | 5.06 | -0.52 |
| Nov | 4.51 | 5.42 | -0.91 |
| Dec | 4.55 | 5.52 | -0.97 |
59.48 | 70.69 | -11.21 |