condition mean min max 0 h after light 14.094775000000002 9.38535 18.8042 4 h after light 9.25345 0.0 18.5069 8 h after light 66.60785 18.5707 114.645 4 h after dark 18.453415 9.25403 27.6528 8 h after dark 23.14745 9.3213 36.9736 12 h after dark 4.584295 0.0 9.16859