condition	mean	min	max
4 h after light	21.67635	19.2513	24.1014
8 h after light	17.36765	16.8682	17.8671
12 h after light	21.86825	20.2457	23.4908
4 h after dark	28.08325	27.6193	28.5472
8 h after dark	34.8607	33.8969	35.8245
12 h after dark	28.472900000000003	27.7666	29.1792