condition mean min max 3 h after light 2.8585166666666666 2.58401 3.34108 6 h after light 1.94899 1.75257 2.20391 9 h after light 1.56385 1.13433 2.09437 12 h after light 1.4638333333333333 1.11042 1.74494 3 h after dark 2.57789 1.98376 3.31788 6 h after dark 2.59402 2.21132 2.96482 9 h after dark 3.2208900000000003 2.98105 3.61587 12 h after dark 2.5694133333333333 1.71189 3.68869