condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.025790833333333336 0.0 0.0400942 9 h after light 0.0 0.0 0.0 12 h after light 0.08786050000000001 0.0 0.186055 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0