condition mean min max 4 h after light 11.653688500000001 11.460729 11.846648 8 h after light 10.280351499999998 9.382257 11.178446 12 h after light 9.771697499999998 9.465967 10.077428 4 h after dark 9.4598665 9.063965 9.855768 8 h after dark 10.0427355 10.026407 10.059064 12 h after dark 10.077428 10.077428 10.077428