condition	mean	min	max
4 h after light	29.47061	28.260951	30.680269
8 h after light	35.0553865	29.260976	40.849797
12 h after light	19.6365805	15.942095	23.331066
4 h after dark	19.366603	17.196867	21.536339
8 h after dark	23.038503	22.74594	23.331066
12 h after dark	20.394208	20.394208	20.394208