condition mean min max 4 h after light 3.35708 1.86164 4.96348 8 h after light 3.698092 0.938846 5.95632 12 h after light 3.220153333333333 2.54071 4.08499 4 h after dark 2.2038833333333336 1.55258 3.23945 8 h after dark 1.8127959999999999 0.731238 3.29586 12 h after dark 4.796646666666667 2.97032 6.61869