condition	mean	min	max
4 h after light	9.48724	6.49568	12.4788
8 h after light	9.255585	9.18037	9.3308
12 h after light	13.54935	12.7299	14.3688
4 h after dark	24.0288	21.3342	26.4261
8 h after dark	21.71003333333333	20.661	22.9549
12 h after dark	14.398233333333334	13.188	16.3573