condition	mean	min	max
4 h after light	991.7	991.7	991.7
8 h after light	854.1	754.6	953.6
12 h after light	999.5500000000001	970.2	1028.9
4 h after dark	990.25	853.4	1127.1
8 h after dark	1336.3000000000002	1174.4	1498.2
12 h after dark	1360.55	1334.3	1386.8