condition	mean	min	max
4 h after light	20.500700000000002	19.7444	21.257
8 h after light	18.905299999999997	18.6468	19.1638
12 h after light	13.70425	13.5308	13.8777
4 h after dark	20.8037	19.3867	22.2207
8 h after dark	25.48525	24.1238	26.8467
12 h after dark	26.44565	25.9532	26.9381