condition mean min max 2 h after light 1.0004975 0.469717 1.60498 6 h after light 1.2410686666666666 0.620268 2.01579 10 h after light 2.1192983333333335 0.54492 5.06551 14 h after light 3.2404995 0.602467 4.30142 18 h after light 2.469654333333333 0.662739 5.43901 2 h after dark 0.5927199999999999 0.0 1.23023