condition	mean	min	max
4 h after light	9.1743055	8.716704	9.631907
8 h after light	8.075688	8.04803	8.103346
12 h after light	9.058164999999999	8.753343	9.362987
4 h after dark	8.999156	8.371067	9.627245
8 h after dark	9.61925	7.675463	11.563037
12 h after dark	8.216295	8.216295	8.216295