condition	mean	min	max
4 h after light	21.673949999999998	18.221	25.1269
8 h after light	9.67432	9.53833	9.81031
12 h after light	14.91465	13.2488	16.5805
4 h after dark	13.411349999999999	13.2287	13.594
8 h after dark	29.3917	26.059	32.7244
12 h after dark	24.0201	22.1073	25.9329