condition	mean	min	max
0 h after light	18.92305	18.4269	19.4192
4 h after light	29.654249999999998	28.1635	31.145
8 h after light	32.88825	31.3832	34.3933
4 h after dark	30.22905	26.7155	33.7426
8 h after dark	29.06725	27.8875	30.247
12 h after dark	23.44605	23.2322	23.6599