condition	mean	min	max
4 h after light	12.8943	11.1641	14.6245
8 h after light	10.093	9.825	10.361
12 h after light	8.191785	7.99963	8.38394
4 h after dark	10.27375	9.44575	10.9299
8 h after dark	10.7292	10.2843	11.2028
12 h after dark	12.454833333333333	11.8948	13.2884