condition	mean	min	max
0 h after light	18.687150000000003	18.0564	19.3179
4 h after light	14.796	14.4684	15.1236
8 h after light	30.6079	30.6041	30.6117
4 h after dark	28.93095	24.9771	32.8848
8 h after dark	21.541649999999997	21.4153	21.668
12 h after dark	17.9204	17.8962	17.9446