condition	mean	min	max
4 h after light	948.1417730000001	881.761894	1014.521652
8 h after light	955.0363554999999	947.924364	962.148347
12 h after light	961.380865	928.940067	993.821663
4 h after dark	1024.435117	978.232903	1070.637331
8 h after dark	865.571261	816.670837	914.471685
12 h after dark	1013.398473	1013.398473	1013.398473