condition	mean	min	max
4 h after light	13.7368	10.9291	19.1197
8 h after light	14.954983333333333	7.52065	19.1435
12 h after light	19.087	14.2893	25.4407
4 h after dark	22.950366666666667	19.7694	25.2853
8 h after dark	21.569633333333336	17.8593	23.5116
12 h after dark	23.238	22.0647	25.541