condition	mean	min	max
4 h after light	257.103	238.417	275.789
8 h after light	270.3195	267.2	273.439
12 h after light	254.72000000000003	243.169	266.271
4 h after dark	273.8325	265.212	282.453
8 h after dark	267.755	264.216	271.294
12 h after dark	266.0325	252.868	279.197