| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.42 | 2.54 | -0.12 |
| Feb | 2.11 | 2.18 | -0.07 |
| Mar | 2.49 | 2.52 | -0.03 |
| Apr | 3.07 | 3.21 | -0.14 |
| May | 3.73 | 3.68 | 0.05 |
| Jun | 4.12 | 4.43 | -0.31 |
| Jul | 4.32 | 4.54 | -0.22 |
| Aug | 3.92 | 4.12 | -0.20 |
| Sep | 3.48 | 3.52 | -0.04 |
| Oct | 4.03 | 4.27 | -0.24 |
| Nov | 2.86 | 3.12 | -0.26 |
| Dec | 2.98 | 3.29 | -0.31 |
39.53 | 41.42 | -1.89 |