| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.21 | 5.49 | -0.28 |
| Feb | 4.31 | 4.43 | -0.12 |
| Mar | 5.04 | 5.11 | -0.07 |
| Apr | 5.18 | 5.51 | -0.33 |
| May | 4.49 | 4.91 | -0.42 |
| Jun | 6.30 | 6.60 | -0.30 |
| Jul | 7.69 | 8.31 | -0.62 |
| Aug | 6.61 | 7.19 | -0.58 |
| Sep | 5.86 | 6.44 | -0.58 |
| Oct | 4.15 | 4.25 | -0.10 |
| Nov | 4.32 | 4.43 | -0.11 |
| Dec | 5.08 | 5.20 | -0.12 |
64.24 | 67.87 | -3.63 |