condition mean min max 0 h after light 5.223535 5.03103 5.41604 2 h after light 2.82073 1.90779 3.73367 4 h after light 2.224355 2.1083 2.34041 8 h after light 3.06046 2.40706 3.71386 12 h after light 3.64663 3.14024 4.15302 2 h after dark 2.5525349999999998 2.35436 2.75071 4 h after dark 2.878155 2.77853 2.97778 8 h after dark 4.398365 4.193 4.60373 12 h after dark 4.9735499999999995 4.49047 5.45663