condition	mean	min	max
4 h after light	18.7894	16.5239	21.0549
8 h after light	27.36425	27.0408	27.6877
12 h after light	31.451249999999998	30.4621	32.4404
4 h after dark	29.026533333333333	28.5588	29.8076
8 h after dark	25.540133333333333	25.2797	26.0076
12 h after dark	23.468433333333333	20.9827	25.458