condition mean min max 0 h after light 6.091165 4.49374 7.68859 2 h after light 3.74874 3.53324 3.96424 4 h after light 6.392799999999999 5.58045 7.20515 8 h after light 2.2156089999999997 0.427618 4.0036 12 h after light 4.27257 4.10752 4.43762 2 h after dark 21.85595 20.2884 23.4235 4 h after dark 20.2935 18.0541 22.5329 8 h after dark 7.22041 4.54016 9.90066 12 h after dark 10.004249999999999 9.5831 10.4254