condition mean min max 4 h after light 0.3801725 0.0 0.760345 8 h after light 0.2033805 0.0 0.406761 12 h after light 0.112817 0.0 0.225634 4 h after dark 1.60527 1.45386 1.71413 8 h after dark 2.05538 1.2393 3.32581 12 h after dark 3.2182673333333334 0.425594 8.2832