condition	mean	min	max
4 h after light	257.271903	255.567197	258.976609
8 h after light	255.864782	232.478463	279.251101
12 h after light	249.8536835	207.182035	292.525332
4 h after dark	280.53432150000003	257.730645	303.337998
8 h after dark	244.7368415	210.118295	279.355388
12 h after dark	255.164856	255.164856	255.164856