condition	mean	min	max
4 h after light	4.742443333333334	4.71096	4.7672300000000005
8 h after light	4.685243333333333	4.61196	4.79373
12 h after light	4.64916	4.58948	4.7057400000000005
4 h after dark	4.69569	4.65977	4.73672
8 h after dark	4.77558	4.48583	5.16843
12 h after dark	4.772743333333333	4.6354	5.04142