condition	mean	min	max
3 h after light	18.97135	13.8757	22.516
7 h after light	18.013091666666668	11.9157	25.3105
11 h after light	18.27365	13.2668	23.5224
2 h after dark	19.62905	14.0043	25.2219
6 h after dark	18.546775	14.5152	24.6013
10 h after dark	18.1613	12.993	27.1447