| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.72 | 3.96 | -0.24 |
| Feb | 3.30 | 3.43 | -0.13 |
| Mar | 4.31 | 4.42 | -0.11 |
| Apr | 4.32 | 4.50 | -0.18 |
| May | 3.54 | 3.46 | 0.08 |
| Jun | 4.22 | 4.41 | -0.19 |
| Jul | 3.75 | 3.95 | -0.20 |
| Aug | 4.08 | 4.25 | -0.17 |
| Sep | 4.10 | 4.08 | 0.02 |
| Oct | 4.84 | 4.79 | 0.05 |
| Nov | 3.90 | 4.03 | -0.13 |
| Dec | 4.59 | 4.77 | -0.18 |
48.67 | 50.05 | -1.38 |