condition	mean	min	max
2 h after light	17.351433333333333	16.6523	18.3895
6 h after light	18.920633333333335	17.9345	19.7695
10 h after light	20.7214	19.3782	22.2636
2 h after dark	17.7762	16.2412	19.7185
6 h after dark	17.449199999999998	17.1313	18.0738
10 h after dark	15.809466666666665	14.9192	16.557