condition	mean	min	max
0 h after light	17.2919	16.7313	17.8525
4 h after light	14.7349	12.6598	16.81
8 h after light	11.8036	10.9327	12.6745
4 h after dark	14.058700000000002	10.8529	17.2645
8 h after dark	17.471600000000002	17.3213	17.6219
12 h after dark	19.561149999999998	16.0408	23.0815