| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.54 | 3.59 | -0.05 |
| Feb | 3.11 | 3.00 | 0.11 |
| Mar | 3.92 | 3.99 | -0.07 |
| Apr | 3.53 | 3.54 | -0.01 |
| May | 3.75 | 3.72 | 0.03 |
| Jun | 4.50 | 4.51 | -0.01 |
| Jul | 5.03 | 5.41 | -0.38 |
| Aug | 5.12 | 5.07 | 0.05 |
| Sep | 5.49 | 5.61 | -0.12 |
| Oct | 3.33 | 3.31 | 0.02 |
| Nov | 3.39 | 3.34 | 0.05 |
| Dec | 3.51 | 3.43 | 0.08 |
48.22 | 48.52 | -0.30 |