condition	mean	min	max
4 h after light	21.539749999999998	21.1512	21.9283
8 h after light	18.86275	16.158	21.5675
12 h after light	23.066200000000002	22.3038	23.8286
4 h after dark	29.12125	26.3984	31.8441
8 h after dark	27.8114	27.2302	28.3926
12 h after dark	24.451	23.3265	25.5755