condition	mean	min	max
4 h after light	23.5397	21.6585	25.4209
8 h after light	13.41315	13.1095	13.7168
12 h after light	12.22735	11.9462	12.5085
4 h after dark	18.2774	18.0415	18.5133
8 h after dark	29.6878	28.8918	30.4838
12 h after dark	24.22685	23.8574	24.5963