condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.099997 0.0 0.199994 4 h after light 0.076068 0.0 0.152136 8 h after light 0.02567395 0.0 0.0513479 12 h after light 0.0 0.0 0.0 2 h after dark 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 0.0 0.0 0.0