condition mean min max 0 h after light 7.399595 7.28767 7.51152 2 h after light 8.155945 6.67929 9.6326 4 h after light 8.843535 8.77024 8.91683 8 h after light 7.19148 6.77894 7.60402 12 h after light 10.54815 10.1226 10.9737 2 h after dark 10.553450000000002 10.0569 11.05 4 h after dark 8.778595 8.76444 8.79275 8 h after dark 8.48066 8.24116 8.72016 12 h after dark 7.981705 6.73094 9.23247