condition	mean	min	max
4 h after light	19.2847	17.0188	21.5506
8 h after light	19.92045	19.1376	20.7033
12 h after light	19.74565	18.9051	20.5862
4 h after dark	15.218066666666667	10.3718	20.341
8 h after dark	16.0319	14.0759	17.6441
12 h after dark	17.331433333333333	11.9408	20.097