condition	mean	min	max
4 h after light	19.413866666666667	15.8525	25.3471
8 h after light	21.154963333333335	9.32859	27.5885
12 h after light	25.944133333333333	15.763	38.7525
4 h after dark	30.2232	29.2156	31.2239
8 h after dark	25.9303	25.2533	26.9111
12 h after dark	21.3184	17.702	25.9449