condition	mean	min	max
4 h after light	17.4085	15.9251	18.7331
8 h after light	3.0159599999999998	1.05297	5.13409
12 h after light	1.5399166666666666	1.15498	2.00251
4 h after dark	4.266736666666667	2.6518	6.09318
8 h after dark	31.7673	27.3799	37.8283
12 h after dark	35.37983333333333	33.0759	39.3172