condition mean min max 0 h after light 7.598655 7.58062 7.61669 2 h after light 3.207875 1.98586 4.42989 4 h after light 5.26493 3.59449 6.93537 8 h after light 2.729675 0.0 5.45935 12 h after light 5.237785 3.55303 6.92254 2 h after dark 7.288935 6.92959 7.64828 4 h after dark 12.9709 12.0985 13.8433 8 h after dark 13.74405 13.019 14.4691 12 h after dark 4.37699 0.0 8.75398