| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.69 | 3.74 | -0.05 |
| Feb | 3.37 | 3.51 | -0.14 |
| Mar | 4.30 | 4.49 | -0.19 |
| Apr | 4.12 | 4.28 | -0.16 |
| May | 4.94 | 5.17 | -0.23 |
| Jun | 5.10 | 5.34 | -0.24 |
| Jul | 5.25 | 5.56 | -0.31 |
| Aug | 3.82 | 3.96 | -0.14 |
| Sep | 3.65 | 3.67 | -0.02 |
| Oct | 3.42 | 3.45 | -0.03 |
| Nov | 3.22 | 3.24 | -0.02 |
| Dec | 3.90 | 4.00 | -0.10 |
48.78 | 50.41 | -1.63 |