condition mean min max 0 h after light 0.0294935 0.0 0.058987 4 h after light 0.029079 0.0 0.058158 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.058339699999999994 0.0580949 0.0585845 12 h after dark 0.0 0.0 0.0