condition mean min max 3 h after light 1.222986 0.865618 1.51646 6 h after light 1.38652 0.91495 2.02039 9 h after light 1.4073333333333333 1.12774 1.84805 12 h after light 1.06435625 0.404018 2.30827 3 h after dark 2.4863733333333333 1.47321 3.38327 6 h after dark 2.029916666666667 1.86199 2.20419 9 h after dark 1.454143 0.841109 1.89617 12 h after dark 2.120445 1.93303 2.30786