condition mean min max 4 h after light 0.083189 0.0 0.166378 8 h after light 0.02264195 0.0 0.0452839 12 h after light 0.055306 0.0 0.110612 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.02007955 0.0 0.0401591