condition	mean	min	max
4 h after light	27.055593000000002	24.604465	29.506721
8 h after light	21.764645	20.029879	23.499411
12 h after light	21.7476675	20.659882	22.835453
4 h after dark	20.2301615	18.869538	21.590785
8 h after dark	17.5923455	17.346134	17.838557
12 h after dark	30.333619	30.333619	30.333619