condition mean min max 3 h after light 2.74819e-06 0.0 8.24457e-06 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.2739973333333333 0.0 0.821992 6 h after dark 0.0 0.0 0.0 9 h after dark 0.20603433333333332 0.0 0.618103 12 h after dark 0.140556 0.0 0.421668