condition	mean	min	max
4 h after light	1667.2	1667.2	1667.2
8 h after light	1549.1	1526.9	1571.3
12 h after light	1083.6	944.9	1222.3
4 h after dark	910.0	805.4	1014.6
8 h after dark	804.95	736.8	873.1
12 h after dark	886.65	865.3	908.0