| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.70 | 3.80 | -0.10 |
| Feb | 3.16 | 3.47 | -0.31 |
| Mar | 4.09 | 4.10 | -0.01 |
| Apr | 4.34 | 4.28 | 0.06 |
| May | 4.09 | 4.31 | -0.22 |
| Jun | 4.70 | 4.95 | -0.25 |
| Jul | 4.39 | 4.62 | -0.23 |
| Aug | 4.37 | 4.44 | -0.07 |
| Sep | 4.51 | 4.64 | -0.13 |
| Oct | 5.06 | 5.34 | -0.28 |
| Nov | 3.90 | 3.95 | -0.05 |
| Dec | 4.47 | 4.79 | -0.32 |
50.78 | 52.69 | -1.91 |