| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 4.20 | 4.28 | -0.08 |
| Feb | 3.75 | 3.77 | -0.02 |
| Mar | 5.20 | 5.32 | -0.12 |
| Apr | 4.51 | 4.62 | -0.11 |
| May | 3.61 | 3.60 | 0.01 |
| Jun | 3.96 | 3.87 | 0.09 |
| Jul | 3.34 | 3.34 | 0.00 |
| Aug | 3.60 | 3.75 | -0.15 |
| Sep | 4.02 | 3.96 | 0.06 |
| Oct | 4.87 | 5.00 | -0.13 |
| Nov | 4.41 | 4.45 | -0.04 |
| Dec | 4.92 | 5.08 | -0.16 |
50.39 | 51.04 | -0.65 |