condition mean min max 0 h after light 7.806075 5.83302 9.77913 2 h after light 7.4188600000000005 5.13848 9.69924 4 h after light 7.104845 5.36389 8.8458 8 h after light 13.77685 12.9275 14.6262 12 h after light 20.20695 19.7091 20.7048 2 h after dark 13.8061 10.5739 17.0383 4 h after dark 12.94255 10.8362 15.0489 8 h after dark 13.480550000000001 12.2038 14.7573 12 h after dark 6.23295 5.05038 7.41552