condition	mean	min	max
0 h after light	18.09415	16.1269	20.0614
4 h after light	7.253499999999999	6.12006	8.38694
8 h after light	9.336604999999999	9.29252	9.38069
4 h after dark	13.775500000000001	11.8355	15.7155
8 h after dark	13.7564	13.2007	14.3121
12 h after dark	17.69385	16.2738	19.1139