condition	mean	min	max
4 h after light	475.207	449.456	500.958
8 h after light	686.741	659.865	713.617
12 h after light	264.955	259.066	270.844
4 h after dark	148.304	138.772	157.836
8 h after dark	131.9965	124.369	139.624
12 h after dark	267.3655	247.294	287.437