condition	mean	min	max
3 h after light	13.01008	9.13894	15.6445
6 h after light	16.785666666666668	11.9786	22.2028
9 h after light	21.3779	14.0816	25.9916
12 h after light	20.500675	19.0606	21.9133
3 h after dark	16.716766666666665	11.3574	23.6895
6 h after dark	25.9238	20.8948	29.7167
9 h after dark	21.7864	16.7799	27.892
12 h after dark	17.3476	13.1759	21.5193