condition	mean	min	max
4 h after light	20.908313999999997	18.093659	23.722969
8 h after light	17.318923499999997	17.06301	17.574837
12 h after light	19.9431665	19.013565	20.872768
4 h after dark	18.468121	17.06301	19.873232
8 h after dark	18.6141485	13.93913	23.289167
12 h after dark	23.91461	23.91461	23.91461