condition mean min max 0 h after light 1.3925550000000002 1.27774 1.50737 4 h after light 0.9298725 0.914576 0.945169 8 h after light 1.694055 1.20452 2.18359 4 h after dark 2.112055 1.53737 2.68674 8 h after dark 2.179385 2.05556 2.30321 12 h after dark 1.953395 1.35928 2.54751