condition mean min max 0 h after light 0.6757145 0.451012 0.900417 4 h after light 0.9713235 0.697527 1.24512 8 h after light 0.712806 0.509042 0.91657 4 h after dark 0.918031 0.757992 1.07807 8 h after dark 0.8891995 0.574889 1.20351 12 h after dark 0.761655 0.70652 0.81679