| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.62 | 3.92 | -0.30 |
| Feb | 3.21 | 3.45 | -0.24 |
| Mar | 4.20 | 4.63 | -0.43 |
| Apr | 4.23 | 4.41 | -0.18 |
| May | 5.34 | 5.41 | -0.07 |
| Jun | 5.09 | 5.24 | -0.15 |
| Jul | 5.63 | 6.11 | -0.48 |
| Aug | 4.12 | 4.56 | -0.44 |
| Sep | 3.96 | 4.07 | -0.11 |
| Oct | 3.23 | 3.53 | -0.30 |
| Nov | 3.22 | 3.40 | -0.18 |
| Dec | 3.84 | 4.16 | -0.32 |
49.69 | 52.89 | -3.20 |