| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 5.10 | 5.48 | -0.38 |
| Feb | 4.30 | 4.46 | -0.16 |
| Mar | 5.04 | 5.14 | -0.10 |
| Apr | 5.16 | 5.53 | -0.37 |
| May | 4.34 | 4.85 | -0.51 |
| Jun | 6.25 | 6.68 | -0.43 |
| Jul | 7.73 | 8.44 | -0.71 |
| Aug | 6.56 | 7.16 | -0.60 |
| Sep | 6.10 | 6.52 | -0.42 |
| Oct | 4.20 | 4.30 | -0.10 |
| Nov | 4.29 | 4.46 | -0.17 |
| Dec | 5.05 | 5.19 | -0.14 |
64.12 | 68.21 | -4.09 |