condition	mean	min	max
4 h after light	5.901426666666667	5.708419999999999	6.19917
8 h after light	5.84659	5.73334	5.92206
12 h after light	6.646706666666667	6.53327	6.71858
4 h after dark	6.4860999999999995	6.29694	6.7623
8 h after dark	6.57636	6.4989	6.702000000000001
12 h after dark	6.330236666666667	6.21269	6.44296