condition	mean	min	max
4 h after light	13.767852999999999	12.95782	14.577886
8 h after light	13.1925005	12.908252	13.476749
12 h after light	18.059648000000003	18.00662	18.112676
4 h after dark	18.90644	14.256193	23.556687
8 h after dark	19.8453565	14.124075	25.566638
12 h after dark	13.194385	13.194385	13.194385