condition	mean	min	max
0 h after light	7.5132	7.32326	7.70314
4 h after light	12.03655	11.3172	12.7559
8 h after light	18.069450000000003	17.7508	18.3881
4 h after dark	11.40925	10.8312	11.9873
8 h after dark	10.860800000000001	10.0614	11.6602
12 h after dark	7.953165	7.67909	8.22724