condition	mean	min	max
3 h after light	17.779466666666668	16.09	20.2121
6 h after light	17.020699999999998	11.4327	20.266
9 h after light	17.926766666666666	13.4064	22.6346
12 h after light	20.561075	17.6284	25.5554
3 h after dark	18.500333333333334	17.2266	20.673
6 h after dark	18.8944	16.9028	21.5648
9 h after dark	17.098399999999998	14.3618	19.8357
12 h after dark	14.9795	14.8319	15.1271