condition mean min max 4 h after light 0.5556325 0.451353 0.659912 8 h after light 0.4910605 0.4354 0.546721 12 h after light 0.803304 0.628072 0.978536 4 h after dark 1.241721 0.832973 1.56031 8 h after dark 1.155276 0.818228 1.43373 12 h after dark 0.6467323333333334 0.49787 0.811675