| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.83 | 5.55 | -0.72 |
| Feb | 4.33 | 4.71 | -0.38 |
| Mar | 3.35 | 3.92 | -0.57 |
| Apr | 1.78 | 2.30 | -0.52 |
| May | 1.24 | 1.57 | -0.33 |
| Jun | 0.57 | 0.65 | -0.08 |
| Jul | 0.05 | 0.07 | -0.02 |
| Aug | 0.07 | 0.08 | -0.01 |
| Sep | 0.26 | 0.34 | -0.08 |
| Oct | 1.24 | 1.41 | -0.17 |
| Nov | 2.70 | 2.92 | -0.22 |
| Dec | 4.62 | 5.55 | -0.93 |
25.04 | 29.07 | -4.03 |