condition	mean	min	max
4 h after light	19.21685	18.2931	20.1406
8 h after light	36.37565	34.8193	37.932
12 h after light	41.32615	40.1269	42.5254
4 h after dark	61.701049999999995	59.0333	64.3688
8 h after dark	50.16045	47.5709	52.75
12 h after dark	39.36195	37.4506	41.2733