condition	mean	min	max
4 h after light	16.2743	15.3394	17.2092
8 h after light	14.3246	13.9634	14.6858
12 h after light	16.441200000000002	15.9868	16.8956
4 h after dark	19.222766666666665	18.4294	19.9976
8 h after dark	17.975566666666666	16.0744	19.3794
12 h after dark	16.354133333333333	15.5275	16.8677