condition	mean	min	max
4 h after light	17.77635	14.9916	20.5611
8 h after light	15.710799999999999	15.4251	15.9965
12 h after light	19.226550000000003	18.5008	19.9523
4 h after dark	23.6016	23.089	24.5853
8 h after dark	24.317133333333334	22.3289	27.0442
12 h after dark	18.506833333333333	16.1962	19.8289