condition	mean	min	max
0 h after light	1.271765	1.19341	1.35012
4 h after light	20.19735	19.654	20.7407
8 h after light	35.62325	32.7649	38.4816
4 h after dark	5.039135	4.15031	5.92796
8 h after dark	4.51598	4.41711	4.61485
12 h after dark	1.09914	1.0086	1.18968