condition	mean	min	max
4 h after light	8.69699	7.70198	9.692
8 h after light	4.016165	4.00926	4.02307
12 h after light	5.13588	3.83777	6.43399
4 h after dark	5.145193333333333	4.70078	5.6423
8 h after dark	11.209533333333333	6.667	14.7663
12 h after dark	7.88265	7.51955	8.50953