condition	mean	min	max
4 h after light	1171.5	1171.5	1171.5
8 h after light	857.05	805.6	908.5
12 h after light	958.1	786.0	1130.2
4 h after dark	935.1	911.0	959.2
8 h after dark	891.35	839.6	943.1
12 h after dark	929.05	832.4	1025.7