condition	mean	min	max
4 h after light	15.026715	13.69485	16.35858
8 h after light	14.5248035	13.753379	15.296228
12 h after light	13.844288	12.064417	15.624159
4 h after dark	16.506583	15.082466	17.9307
8 h after dark	14.535777	14.087348	14.984206
12 h after dark	14.83264	14.83264	14.83264