condition mean min max 4 h after light 0.0713665 0.0 0.142733 8 h after light 0.065024 0.0 0.130048 12 h after light 0.2609967 0.0673424 0.454651 4 h after dark 0.03565366666666667 0.0 0.106961 8 h after dark 0.3066117 0.0950421 0.444098 12 h after dark 0.10257533333333334 0.0 0.177183