| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.88 | 3.73 | 0.15 |
| Feb | 3.19 | 3.31 | -0.12 |
| Mar | 3.92 | 3.94 | -0.02 |
| Apr | 4.09 | 4.41 | -0.32 |
| May | 3.61 | 3.73 | -0.12 |
| Jun | 4.22 | 4.29 | -0.07 |
| Jul | 3.29 | 3.21 | 0.08 |
| Aug | 3.30 | 3.25 | 0.05 |
| Sep | 3.96 | 3.90 | 0.06 |
| Oct | 5.17 | 5.53 | -0.36 |
| Nov | 4.53 | 4.56 | -0.03 |
| Dec | 4.63 | 4.60 | 0.03 |
47.79 | 48.46 | -0.67 |