condition	mean	min	max
0 h after light	20.031950000000002	19.3007	20.7632
4 h after light	9.183530000000001	6.00066	12.3664
8 h after light	22.39345	17.7252	27.0617
4 h after dark	18.6404	16.8081	20.4727
8 h after dark	14.80755	13.428	16.1871
12 h after dark	20.5424	10.8542	30.2306