condition	mean	min	max
0 h after light	29.26885	29.1	29.4377
4 h after light	8.42726	7.99407	8.86045
8 h after light	13.20805	10.4434	15.9727
4 h after dark	28.20665	23.9107	32.5026
8 h after dark	18.6782	15.1591	22.1973
12 h after dark	22.5044	19.5093	25.4995