condition mean min max 0 h after light 0.34581 0.0 0.69162 2 h after light 0.38775 0.0 0.7755 4 h after light 0.678365 0.0 1.35673 8 h after light 0.356623 0.0 0.713246 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.332571 0.0 0.665142 8 h after dark 0.0 0.0 0.0 12 h after dark 0.368921 0.0 0.737842