condition	mean	min	max
4 h after light	11.345745	8.25679	14.4347
8 h after light	15.66095	14.5337	16.7882
12 h after light	20.49505	16.7588	24.2313
4 h after dark	29.1048	27.6454	29.9317
8 h after dark	19.881999999999998	19.5154	20.182
12 h after dark	21.120566666666665	19.4497	22.9561