condition	mean	min	max
3 h after light	20.198475	16.3083	30.7369
7 h after light	19.09005	12.8307	29.5898
11 h after light	21.904116666666667	15.3125	27.9827
2 h after dark	21.460275	15.9279	29.978
6 h after dark	20.124258333333334	14.4029	27.3436
10 h after dark	19.575825	13.6917	25.9424