condition	mean	min	max
4 h after light	7.57758	6.76538	8.38978
8 h after light	4.02952	3.92671	4.13233
12 h after light	3.058265	2.776	3.34053
4 h after dark	3.57756	3.30685	3.85723
8 h after dark	4.471856666666667	4.19527	4.78846
12 h after dark	6.590006666666667	5.97916	7.17174