condition	mean	min	max
4 h after light	9.25407	8.38864	10.1195
8 h after light	9.132165	8.48126	9.78307
12 h after light	11.706299999999999	11.6684	11.7442
4 h after dark	16.1878	15.4911	16.8475
8 h after dark	15.296566666666667	14.9076	15.5138
12 h after dark	12.095933333333333	10.7619	14.6749