condition mean min max 0 h after light 0.0264306 0.0 0.0528612 2 h after light 0.168454 0.158865 0.178043 4 h after light 0.10647455 0.0518161 0.161133 8 h after light 0.05448795 0.0543844 0.0545915 12 h after light 0.320998 0.159274 0.482722 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0508065 0.0 0.101613 8 h after dark 0.1465225 0.114675 0.17837 12 h after dark 0.137827 0.112853 0.162801