condition	mean	min	max
4 h after light	29.9400585	27.650521	32.229596
8 h after light	29.110215500000002	25.708868	32.511563
12 h after light	31.0160325	30.469102	31.562963
4 h after dark	34.6895045	31.851494	37.527515
8 h after dark	31.696944000000002	23.888521	39.505367
12 h after dark	31.744463	31.744463	31.744463