condition mean min max 0 h after light 11.49615 11.2943 11.698 4 h after light 11.46025 11.313 11.6075 8 h after light 12.0944 11.5944 12.5944 4 h after dark 12.19745 12.1744 12.2205 8 h after dark 12.1186 11.6891 12.5481 12 h after dark 12.630600000000001 11.688 13.5732