condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.056236 0.0 0.168708 12 h after light 0.036961 0.0 0.110883 4 h after dark 0.05186833333333333 0.0 0.155605 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0