condition mean min max 4 h after light 0.6575359999999999 0.551954 0.763118 8 h after light 0.9565625 0.891555 1.02157 12 h after light 0.425783 0.400695 0.450871 4 h after dark 0.2598026666666667 0.193695 0.348582 8 h after dark 0.5004486666666667 0.295458 0.861664 12 h after dark 0.147354 0.0 0.270172