condition mean min max 4 h after light 17.48885 13.3886 21.5891 8 h after light 13.15766 8.74572 17.5696 12 h after light 5.776505 3.54205 8.01096 4 h after dark 21.124000000000002 16.5741 25.6739 8 h after dark 41.9109 39.7673 44.0545 12 h after dark 26.66285 18.4239 34.9018