condition	mean	min	max
4 h after light	29.07235	27.1286	31.0161
8 h after light	27.371699999999997	25.8648	28.8786
12 h after light	31.6176	31.3431	31.8921
4 h after dark	24.63745	24.0404	25.2345
8 h after dark	22.8319	22.1125	23.5513
12 h after dark	28.82495	27.7874	29.8625