| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.22 | 2.37 | -0.15 |
| Feb | 1.96 | 2.09 | -0.13 |
| Mar | 2.34 | 2.37 | -0.03 |
| Apr | 3.55 | 3.60 | -0.05 |
| May | 4.42 | 4.12 | 0.30 |
| Jun | 4.38 | 4.42 | -0.04 |
| Jul | 4.12 | 4.21 | -0.09 |
| Aug | 4.36 | 4.24 | 0.12 |
| Sep | 3.31 | 3.34 | -0.03 |
| Oct | 3.53 | 3.67 | -0.14 |
| Nov | 2.66 | 2.78 | -0.12 |
| Dec | 2.17 | 2.26 | -0.09 |
39.02 | 39.47 | -0.45 |