condition mean min max 2 h after light 0.7761273333333333 0.194836 1.79816 6 h after light 1.074983 0.557262 1.66942 10 h after light 1.6059 0.78975 2.57521 14 h after light 1.4719193333333334 0.181038 3.83633 18 h after light 1.2776556666666667 0.377038 2.97395 2 h after dark 0.9813655 0.291799 1.76053