condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.017053666666666665 0.0 0.051161 12 h after light 0.016837599999999998 0.0 0.0505128 4 h after dark 0.006207 0.0 0.018621 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0