condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 17.615535 9.89217 25.3389 2 h after dark 3.413915 0.0 6.82783 4 h after dark 0.0 0.0 0.0 8 h after dark 5.34165 0.0 10.6833 12 h after dark 0.0 0.0 0.0