condition	mean	min	max
0 h after light	4.15543	3.97106	4.3398
4 h after light	3.7536300000000002	3.67838	3.82888
8 h after light	4.189575	3.73607	4.64308
4 h after dark	6.21718	6.0865	6.34786
8 h after dark	5.8596	5.43789	6.28131
12 h after dark	4.814025	4.76102	4.86703