condition	mean	min	max
4 h after light	3927.234323	3668.582743	4185.885903
8 h after light	3765.531846	3320.872887	4210.190805
12 h after light	4304.6921365	3934.844524	4674.539749
4 h after dark	3904.0262435	3568.024576	4240.027911
8 h after dark	2908.2115775	1896.743531	3919.679624
12 h after dark	4123.22439	4123.22439	4123.22439