condition	mean	min	max
4 h after light	36.19695	34.7338	37.6601
8 h after light	38.04375	36.9005	39.187
12 h after light	48.1652	47.5709	48.7595
4 h after dark	60.466300000000004	59.8821	61.0505
8 h after dark	60.61735	59.9673	61.2674
12 h after dark	49.966750000000005	48.7809	51.1526