condition mean min max 4 h after light 3.0765200000000004 2.30302 3.85002 8 h after light 2.82988 2.64611 3.01365 12 h after light 4.737185 4.60771 4.86666 4 h after dark 7.62211 7.11728 8.31947 8 h after dark 7.69567 6.75731 8.28027 12 h after dark 3.0136766666666666 2.00448 3.90793