condition	mean	min	max
4 h after light	10765.60889	10094.51667	11689.89
8 h after light	12088.362222333333	9677.426667	14138.21
12 h after light	15238.731109999999	13921.69667	17838.37333
1.5 h after dark	13592.951113333333	10568.24667	16612.41
5.5 h after dark	14957.085553333332	12933.73	18717.95333
9.5 h after dark	10942.021111	9681.513333	12801.69