condition	mean	min	max
4 h after light	27.19125	23.8435	30.539
8 h after light	22.648850000000003	22.5759	22.7218
12 h after light	11.463145	9.38209	13.5442
4 h after dark	11.424399999999999	10.2213	12.6275
8 h after dark	10.549325	9.83475	11.2639
12 h after dark	18.94945	18.8194	19.0795