condition	mean	min	max
4 h after light	677.0	677.0	677.0
8 h after light	731.45	637.3	825.6
12 h after light	782.3	640.5	924.1
4 h after dark	944.35	794.0	1094.7
8 h after dark	1024.25	905.6	1142.9
12 h after dark	924.0	894.1	953.9