condition	mean	min	max
2 h after light	2.26517	2.06316	2.45436
6 h after light	1.1008516666666668	0.986095	1.2639
10 h after light	0.741502	0.512522	0.914219
2 h after dark	12.4839	12.0167	12.8806
6 h after dark	10.26574	9.42033	11.5229
10 h after dark	18.150233333333333	17.4284	19.2725