condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0290142 0.0 0.0870426 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0299232 0.0 0.0897696