condition	mean	min	max
0 h after light	2.700945	2.52386	2.87803
4 h after light	2.579405	2.35276	2.80605
8 h after light	3.774545	3.58607	3.96302
4 h after dark	3.88379	3.78576	3.98182
8 h after dark	3.319245	3.30662	3.33187
12 h after dark	2.700805	2.33277	3.06884