condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.161486 0.107385 0.215587 12 h after light 0.0 0.0 0.0 2 h after dark 0.112145 0.107458 0.116832 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0587 0.0 0.1174 12 h after dark 0.0 0.0 0.0