condition	mean	min	max
4 h after light	11.45454	9.45978	13.4493
8 h after light	15.842400000000001	14.9854	16.6994
12 h after light	16.96985	14.1107	19.829
4 h after dark	43.01965	42.4342	43.6051
8 h after dark	35.567099999999996	32.8001	38.3341
12 h after dark	22.5092	21.1009	23.9175