condition	mean	min	max
4 h after light	31.64345	31.3425	31.9444
8 h after light	27.9952	26.7804	29.21
12 h after light	25.83885	25.1648	26.5129
4 h after dark	23.6978	22.6071	24.7885
8 h after dark	26.58115	26.0397	27.1226
12 h after dark	30.916	30.6656	31.1664