condition	mean	min	max
4 h after light	19.504800000000003	19.3712	19.6384
8 h after light	19.2487	18.8941	19.6033
12 h after light	17.4587	16.6035	18.3139
4 h after dark	21.625633333333333	20.611	22.6144
8 h after dark	24.3411	22.6781	26.8807
12 h after dark	22.073133333333335	20.895	22.7847