condition	mean	min	max
4 h after light	18.455613333333332	14.851479999999999	21.05157
8 h after light	15.829812	8.830525999999999	22.92276
12 h after light	19.580333333333332	16.84103	23.36721
16 h after light	15.710379999999999	12.20115	18.230929999999997
4 h after dark	31.86135666666667	26.41943	37.07502
8 h after dark	41.17485333333333	25.34664	56.94732