condition	mean	min	max
4 h after light	18.779649999999997	17.2507	20.3086
8 h after light	14.9205	14.2407	15.6003
12 h after light	15.7558	14.5852	16.9264
4 h after dark	21.59385	18.9951	24.1926
8 h after dark	15.8316	15.8029	15.8603
12 h after dark	19.612949999999998	18.8844	20.3415