condition mean min max 4 h after light 0.283579 0.257323 0.309835 8 h after light 0.04379605 0.0 0.0875921 12 h after light 0.0709505 0.0 0.141901 4 h after dark 0.5884075 0.547586 0.629229 8 h after dark 0.8124910000000001 0.73853 0.886452 12 h after dark 0.868755 0.839281 0.898229