condition	mean	min	max
4 h after light	5650.857777666666	5301.15	6256.78
8 h after light	4932.7266666666665	4434.84	5404.113333
12 h after light	5931.88	5577.22	6407.513333
1.5 h after dark	9623.741111	8456.16	11225.27
5.5 h after dark	6750.171111000001	5294.17	8507.843333
9.5 h after dark	7332.935555666667	6545.023333	8277.346667