condition	mean	min	max
4 h after light	4.776505	4.74297	4.81004
8 h after light	4.53073	4.42756	4.6339
12 h after light	5.51951	5.17251	5.86651
4 h after dark	7.334375	7.03765	7.6311
8 h after dark	5.96524	5.63798	6.2925
12 h after dark	5.1914	4.93639	5.44641