condition mean min max 0 h after light 0.899276 0.866135 0.932417 2 h after light 1.163147 0.867674 1.45862 4 h after light 0.0 0.0 0.0 8 h after light 0.66832 0.0 1.33664 12 h after light 0.4943405 0.0 0.988681 2 h after dark 0.484745 0.0 0.96949 4 h after dark 0.215989 0.0 0.431978 8 h after dark 1.67881 1.40922 1.9484 12 h after dark 0.231138 0.0 0.462276