condition mean min max 0 h after light 0.6133175 0.545711 0.680924 4 h after light 0.4095495 0.402812 0.416287 8 h after light 0.54283 0.277256 0.808404 4 h after dark 1.0063010000000001 0.401252 1.61135 8 h after dark 0.8058805 0.270511 1.34125 12 h after dark 0.2010405 0.136002 0.266079