condition mean min max 0 h after light 2.256745 2.08126 2.43223 2 h after light 2.914845 2.74893 3.08076 4 h after light 1.55736 1.46717 1.64755 8 h after light 2.186515 1.73237 2.64066 12 h after light 3.53781 3.445 3.63062 2 h after dark 2.89527 2.43981 3.35073 4 h after dark 2.3830299999999998 2.27775 2.48831 8 h after dark 2.170845 2.09702 2.24467 12 h after dark 3.1497200000000003 2.32999 3.96945