condition	mean	min	max
4 h after light	6.188935	5.06459	7.31328
8 h after light	7.9842200000000005	7.26064	8.7078
12 h after light	11.475000000000001	10.5082	12.4418
4 h after dark	14.4356	13.8079	15.1957
8 h after dark	14.622933333333334	12.8384	16.5487
12 h after dark	10.12935	8.44505	11.6059