condition	mean	min	max
4 h after light	4.743675	4.39315	5.0942
8 h after light	2.95986	2.82255	3.09717
12 h after light	2.82845	2.7144	2.9425
4 h after dark	2.6969166666666666	2.23711	2.98942
8 h after dark	4.84281	4.1461	5.31263
12 h after dark	5.301533333333333	4.74281	6.22859