condition	mean	min	max
4 h after light	19.193058999999998	18.170661	20.215457
8 h after light	15.405107000000001	13.16121	17.649004
12 h after light	15.475305500000001	14.399989	16.550622
4 h after dark	13.872275	10.54155	17.203
8 h after dark	14.3201775	11.589425	17.05093
12 h after dark	18.112676	18.112676	18.112676