condition mean min max 3 h after light 0.9542318333333333 0.62571 1.49823 7 h after light 0.853766 0.365095 1.16134 11 h after light 0.97139525 0.486105 1.81148 2 h after dark 1.2234385 0.60723 1.93261 6 h after dark 1.160995 0.494565 1.63893 10 h after dark 1.0530271666666666 0.678012 1.53276