| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.02 | 2.20 | -0.18 |
| Feb | 1.84 | 2.00 | -0.16 |
| Mar | 2.41 | 2.37 | 0.04 |
| Apr | 3.87 | 3.94 | -0.07 |
| May | 4.61 | 4.72 | -0.11 |
| Jun | 4.39 | 4.46 | -0.07 |
| Jul | 3.79 | 3.94 | -0.15 |
| Aug | 4.18 | 4.05 | 0.13 |
| Sep | 3.32 | 3.25 | 0.07 |
| Oct | 3.55 | 3.51 | 0.04 |
| Nov | 2.59 | 2.62 | -0.03 |
| Dec | 2.18 | 2.25 | -0.07 |
38.75 | 39.31 | -0.56 |