condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0058551 0.0 0.0117102 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0096132 0.0 0.0288396 12 h after dark 0.0026673066666666662 0.0 0.00800192