condition	mean	min	max
4 h after light	21.1703	18.6856	23.655
8 h after light	27.20595	25.5893	28.8226
12 h after light	28.74875	27.6348	29.8627
4 h after dark	33.819199999999995	33.0834	34.555
8 h after dark	36.143100000000004	31.7921	40.4941
12 h after dark	26.550199999999997	25.0739	28.0265