condition	mean	min	max
4 h after light	7491.3726955	6695.802059	8286.943332
8 h after light	5715.5983805	4743.73483	6687.461931
12 h after light	5401.126193	5337.097252	5465.155134
4 h after dark	5050.655863	4042.144835	6059.166891
8 h after dark	5721.5272375	4174.192045	7268.86243
12 h after dark	8077.783052	8077.783052	8077.783052