condition	mean	min	max
4 h after light	11.383199999999999	10.8965	11.8699
8 h after light	7.41857	7.10035	7.73679
12 h after light	9.14501	9.02653	9.26349
4 h after dark	13.299133333333334	11.7198	15.2087
8 h after dark	18.4832	14.6238	20.5152
12 h after dark	12.850333333333333	11.841	14.4917