condition	mean	min	max
4 h after light	19.0443115	16.327746	21.760877
8 h after light	20.7796285	18.28452	23.274737
12 h after light	19.141236499999998	17.655871	20.626602
4 h after dark	22.5693645	22.380427	22.758302
8 h after dark	19.0922885	15.722564	22.462013
12 h after dark	20.095097	20.095097	20.095097