condition	mean	min	max
4 h after light	13.980433333333334	9.5617	19.4857
8 h after light	9.86724	4.15052	13.4817
12 h after light	9.163903333333334	5.95711	11.0812
4 h after dark	17.1298	13.2862	19.7187
8 h after dark	14.2113	13.4306	14.8162
12 h after dark	7.507133333333334	6.56013	8.207