condition mean min max 0 h after light 0.11880365000000001 0.0594813 0.178126 4 h after light 0.02927045 0.0 0.0585409 8 h after light 0.03022025 0.0 0.0604405 4 h after dark 0.1167438 0.0585446 0.174943 8 h after dark 0.0294851 0.0 0.0589702 12 h after dark 0.0882975 0.058004 0.118591