condition	mean	min	max
4 h after light	38.93465	31.9565	45.9128
8 h after light	27.80725	25.1919	30.4226
12 h after light	20.263550000000002	18.6689	21.8582
4 h after dark	16.5564	14.334	18.7788
8 h after dark	22.255499999999998	18.746	25.765
12 h after dark	29.66825	28.5137	30.8228