condition mean min max 0 h after light 0.0605895 0.0 0.121179 4 h after light 0.061626 0.0 0.123252 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0595665 0.0 0.119133 12 h after dark 0.17988500000000002 0.118169 0.241601