condition	mean	min	max
4 h after light	549.8	549.8	549.8
8 h after light	683.5	681.0	686.0
12 h after light	644.5	596.5	692.5
4 h after dark	698.05	606.4	789.7
8 h after dark	712.55	668.6	756.5
12 h after dark	754.8	753.9	755.7