condition	mean	min	max
4 h after light	12711.23389	11532.18667	14010.335
8 h after light	12898.442223333333	10824.10667	14517.74
12 h after light	11581.793333333333	10642.49333	12063.77667
1.5 h after dark	17056.555556666666	13097.77667	20238.71
5.5 h after dark	11574.756663333334	11245.89333	12135.42333
9.5 h after dark	10993.27	9450.72	11976.81333