condition	mean	min	max
4 h after light	5.719695	3.98146	7.45793
8 h after light	6.28768	5.88509	6.69027
12 h after light	9.11376	8.51964	9.70788
4 h after dark	13.8515	13.3233	14.2905
8 h after dark	11.282806666666668	9.84342	12.2239
12 h after dark	7.76263	7.07421	8.52624