condition	mean	min	max
4 h after light	27.3219	20.5105	31.6209
8 h after light	15.47702	4.52266	24.6838
12 h after light	12.453023333333334	8.20597	16.8398
4 h after dark	11.459126666666666	5.66598	15.0202
8 h after dark	11.97432	8.88236	16.7203
12 h after dark	38.56506666666667	28.134	47.6921