condition mean min max 0 h after light 8.52579 8.21159 8.83999 2 h after light 17.101100000000002 16.6019 17.6003 4 h after light 8.713995 8.64699 8.781 8 h after light 4.307345 3.39216 5.22253 12 h after light 8.558055 7.66916 9.44695 2 h after dark 7.676105 5.51488 9.83733 4 h after dark 7.597595 7.44629 7.7489 8 h after dark 10.355115 8.56443 12.1458 12 h after dark 11.9693 11.1889 12.7497