condition	mean	min	max
4 h after light	20.142049999999998	19.4817	20.8024
8 h after light	14.88565	14.4975	15.2738
12 h after light	18.44965	18.1172	18.7821
4 h after dark	19.6114	17.7048	21.518
8 h after dark	22.8466	22.1744	23.5188
12 h after dark	23.967599999999997	23.3599	24.5753