condition	mean	min	max
4 h after light	12.969999999999999	11.4031	14.5369
8 h after light	21.4311	17.9561	24.9061
12 h after light	31.32265	28.8211	33.8242
4 h after dark	88.73873333333333	83.2912	96.3214
8 h after dark	36.793933333333335	30.7746	46.5484
12 h after dark	18.7086	15.6478	21.2974