condition	mean	min	max
4 h after light	9.252749999999999	8.68	9.8255
8 h after light	5.826560000000001	5.75769	5.89543
12 h after light	6.52445	6.14153	6.90737
4 h after dark	12.219433333333333	11.8037	12.8437
8 h after dark	13.2271	11.5053	14.3365
12 h after dark	11.8243	11.744	11.9552