| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 0.97 | 0.99 | -0.02 |
| Feb | 1.25 | 1.09 | 0.16 |
| Mar | 2.27 | 2.12 | 0.15 |
| Apr | 2.96 | 2.84 | 0.12 |
| May | 4.53 | 4.77 | -0.24 |
| Jun | 4.47 | 4.84 | -0.37 |
| Jul | 3.24 | 3.53 | -0.29 |
| Aug | 3.51 | 3.73 | -0.22 |
| Sep | 2.31 | 2.67 | -0.36 |
| Oct | 2.98 | 3.31 | -0.33 |
| Nov | 1.51 | 1.62 | -0.11 |
| Dec | 1.34 | 1.38 | -0.04 |
31.34 | 32.89 | -1.55 |